Summarize this content to 2000 words in 6 paragraphs Multiple pedestrians have been injured after a box truck struck them on Tuesday afternoon, according to Boston police. The truck, a yellow-colored Penske rental truck, struck multiple poles and flipped on its side before becoming wedged between a pole and a building, authorities said. At least two people are in critical condition and firefighters used extrication tools to remove the trapped driver from the cab of the truck, a police spokesperson said. WHAT WE KNOW ABOUT VICTIMS OF NEW ORLEANS TERRORIST ATTACKHomicide and the fatal accident team are responding. Police said it is a very active scene, and they do not have a total number of victims yet. The incident took place at around 12:40 p.m. in Boston’s Chinatown district, on Harrison Avenue near Kneeland Street, which is about half a mile from Downtown Boston. Harrison Ave. and Kneeland Street are closed between Tyler Street and Washington Street, police said. This is a breaking news story and will be updated.