Boston EMS has rushed four people to local hospitals after a driver of a Penske rental truck drove onto a Chinatown sidewalk during lunchtime on Tuesday, according to authorities.

Two of the victims taken to the hospital suffered serious injuries, Boston EMS posted on social media. Emergency responders treated two other individuals at the scene, in the area of Kneeland Street and Harrison Avenue.

Authorities have blocked off Kneeland Street between Tyler and Washington streets as they investigate the crash.

The Boston Fire Department posted on social media around 1:40 p.m. that companies responded to the scene for a “truck that struck multiple poles and was wedged between a pole and the building.”

“Firefighters used extrication tools to remove the trapped driver from the cab of (the) truck,” the post states.

The crash happened at about 12:48 p.m.

Developing