Wild video shows the moment a spat between two couples over a shopping cart turned to blows inside a Brooklyn Costco – with one injured man falling to the ground in the middle of an aisle.
The mayhem erupted around 3:50 p.m. Sunday inside the superstore on Third Avenue near 37th Street in Sunset Park, police said.
The viral footage – which has racked up more than 900,000 views since it was posted on X the same day – shows the couples bickering in the aisle over the cart…