Protesters hurled bottles at police horses during chaotic 'No Kings' rally in downtown Los Angeles

By Alex Tanzer
updated on April 3, 2026

Rioters threw glass bottles at two LAPD horses, injured an officer, and tried to breach a federal detention center during a day of anti-Trump protests in downtown Los Angeles that spiraled from a permitted march into hours of lawlessness, according to police officials and the New York Post.

LAPD Chief Jim McDonnell said the worst of the violence erupted around the Federal Metropolitan Detention Center on Alameda Street, where demonstrators vandalized fencing, hurled concrete fragments at federal agents, and lobbed a blue smoke bomb at federal personnel. Some protesters attempted to climb the fence to gain access to the facility.

By the time the department restored order, 72 people had been arrested. The LAPD filed three crime reports for assault with a deadly weapon on its officers. And a citywide tactical alert, a designation reserved for significant emergencies or civil unrest, forced every on-duty officer to stay past their shift while only urgent calls were prioritized across the nation's second-largest city.

From Grand Park to chaos on Alameda Street

Thousands joined the local component of a nationwide "No Kings" day of protests against the policies of President Donald Trump. The demonstrations began Saturday morning at Grand Park in downtown Los Angeles and lasted into the night. For a time, the march was largely peaceful.

That changed as the day wore on. McDonnell issued a statement Thursday describing the shift in blunt terms.

"As the day progressed, a small group within the larger demonstration engaged in violent assaults on police, acts of vandalism, and other unlawful behavior."

The pattern of peaceful marches devolving into violence repeated itself in cities across the country, from Portland to Dallas. But the Los Angeles scene stood out for the range of targets: horses, officers, federal agents, and federal property.

An LAPD official with knowledge of the incident told reporters that two police horses were struck by thrown glass bottles and suffered minor injuries. One officer fell and sustained cuts and bruises that did not require medical treatment. Police said projectiles were also thrown at officers near the intersection of Alameda Street and Temple Street.

Federal authorities called for backup

The situation at the Federal Metropolitan Detention Center grew serious enough that federal authorities requested help from the LAPD. Officers on the ground and in helicopters responded, ordering protesters to disperse.

When the crowd refused to leave, the department triggered the citywide tactical alert. Under that protocol, all on-duty officers are held over past their shift end times, and only critical calls for service are prioritized. In a city that already struggles with response times, the decision effectively put routine policing on hold so the department could contain a mob.

Authorities gave initial warnings. After subsequent warnings went unheeded, officers fired tear gas and began detaining people. Teams of LAPD officers contained a group on Alameda Street and conducted mass arrests.

Some demonstrators fled onto the MTA rail line, according to police.

72 arrests and a dagger

The final arrest tally: 63 adults charged with failing to disperse, eight youths charged with the same offense, and one adult charged with possession of a dagger. The three assault-with-a-deadly-weapon reports filed against LAPD officers have not yet been tied to publicly identified suspects.

The injuries to the horses drew particular attention. An LAPD official noted that one department horse was also injured during a Dodgers celebration in November, a reminder that mounted units face hazards even in celebratory crowds. But bottles deliberately hurled at animals working a protest line represent a different category of conduct entirely.

A social media post dated March 29 by an account called Officer Lew circulated video that appeared to show an LAPD horse knocking down a protester who had tried to block the animal with his body. The post's tone was mocking, but the underlying footage illustrated the volatile, close-quarters confrontations mounted officers faced throughout the day.

A broader pattern of disorder in Los Angeles

The chaos at the detention center was not an isolated episode. Breitbart reported that heavily armed security officers, including several on horseback, patrolled near government buildings in downtown Los Angeles during related unrest. The city imposed a curfew in part to stop vandalism and looting, and police arrested at least 25 people for violating it. More than 500 people had been arrested over recent days, and 23 businesses were looted overnight on a single Monday, according to that report.

That level of sustained disorder puts enormous strain on a police department already stretched thin. It also raises a straightforward question: what consequences will the people responsible actually face?

The answer, if recent history in Los Angeles is any guide, is not encouraging. The city has seen federal agents hospitalized after attacks during anti-ICE protests and repeated episodes of demonstration-related violence that rarely produce serious prosecutions.

McDonnell draws a line, on paper

The LAPD chief tried to thread the needle between protecting free expression and condemning the violence. McDonnell said the department remains committed to the right of assembly.

"We must protect people's ability to speak, gather, and advocate."

He followed that with a harder edge.

"There is no place for violence, property destruction, and attacks on community members or officers."

Fine words. But 63 adults charged with "failing to disperse" is not the same as 63 adults charged with rioting. Three assault-with-a-deadly-weapon reports is not the same as three prosecutions. And a broken concrete bollard, a vandalized fence at a federal facility, and two injured horses are not the hallmarks of a protest that simply got a little rowdy.

Los Angeles has dealt with escalating public safety threats at demonstrations before, including an incident in which a U-Haul drove into a crowd at a protest. The question is whether city leaders treat each new episode as an emergency to manage in the moment or as a pattern that demands a firmer response.

Meanwhile, broader law enforcement operations continue across the city. Just recently, an FBI-led raid targeted alleged gang members near MacArthur Park, underscoring that the LAPD's resources are already divided across serious public safety challenges without having to absorb hours-long sieges at federal buildings.

The real cost

When a citywide tactical alert goes into effect, every resident of Los Angeles pays the price. Routine 911 calls get deprioritized. Officers who should be patrolling neighborhoods are redirected to contain a crowd that has already been told to leave. The overtime bill lands on taxpayers. And the officers, horses, and federal agents who absorb the bottles, the concrete, and the smoke bombs are the ones left holding the consequences of someone else's rage.

The people who threw glass at horses and concrete at federal agents did not exercise their First Amendment rights. They committed crimes. Whether Los Angeles has the will to treat those crimes accordingly will say more about the city's future than any protest sign ever could.

About Alex Tanzer

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