Police said the shooting took place at Tops in the 1200 block of Jefferson Avenue.
It was not immediately clear how many people had been hit or how serious their injuries are.
The governor of New York, Kathy Hochul, was among those urging local people to avoid the area and follow directions from police.
Phil Thomas14 May 2022 21:23
‘Multiple’ people shot
Buffalo police say “multiple” people have been injured by gunfire after a suspect opened fire in a grocery store in Buffalo, New York.
The police department said a suspect was in custody.
Phil Thomas14 May 2022 21:13