Cities across the US were rocked by yet another night of heated protests, violence against cops and looting — one week after the death of George Floyd at the hands of a Minneapolis police officer.

The nighttime chaos unfolded Monday in places including New York City, Las Vegas, Buffalo and St. Louis, where four police officers were shot in the downtown area ransacked by looters and left in flames.

In Buffalo, wild video shows the moment an SUV plows through a line of officers at a protest, injuring at least two. The driver and passengers were taken into custody.

And a Las Vegas police officer is fighting for his life after being shot in the head while trying to disperse protesters in front of the Circus Circus on the Las Vegas Strip.

Peaceful protests in Philadelphia took a turn when police fired tear gas at demonstrators blocking a highway, causing a stampede, according to the Philadelphia Inquirer. Protesters and men wielding baseball bats also squared off as residents fought to protect their neighborhood.

Tear gas and rubber bullets were used to disperse crowds in Washington, DC, ahead of President Trump’s visit to the historic St. John’s Episcopal Church, which was partly destroyed by a fire lit by rioters Sunday night.

Two people were killed in the Chicago suburb of Cicero, officials there said, adding that the violence was linked to protests.

Meanwhile, looting broke out across the country, including in Manhattan — where hundreds of opportunists breached Macy’s flagship store in Herald Square and other businesses across the city.

On Monday, Trump threatened to deploy the military to states ravaged by rioters.

Dozens of cities have imposed curfews in hopes of curtailing the violence and looting, while governors in 23 states and DC have activated 67,000 troops with the National Guard, Fox News reported.

With Post wires