MILWAUKEE (CBS 580 -- Milwaukee police are investigating an accident that happened on Saturday, April 29 around 9:17 p.m.

A County bus was traveling east on Burleigh while a black Nissan was traveling south on Sherman. 

The Nissan collided with the bus at the intersection of Sherman and Burleigh.

A two-year-old boy, who was a passenger in the Nissan, was taken to a local hospital and is in critical condition.

A 23-year-old woman, who was the driver of the Nissan, was taken into custody.

Charges are pending review at the Milwaukee County District Attorney's Office.