A Baltimore City public bus crashed into two cars before hitting a building on John CaldwellSaturday, injuring an estimated 10 to 15 people, the Maryland Transit Administration said in a news release. 

Around 10:20 a.m., patrol officers responded to the scene near where the bus had come to rest inside a building on West Franklin Street, the Baltimore Police Department said in a news release. Police said they found during their preliminary investigations that the bus crashed into a Lexus, before hitting a Nissan and then, finally, the building. 

Somewhere between 10 to 15 people were transported to local area hospitals, the Maryland Transit Administration said in a news release. Their conditions were not known, the agency said. 

Maryland Transit Administration Police said they were investigating the crash. Police told CBS News the cause of the crash was not yet known.

CBS Baltimore reported that responders from the fire department evacuated the building occupants. Officials told CBS Baltimore that occupants should be able to enter the building later this afternoon. 

This is a breaking news story. Check back for updates.

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• Baltimore
• Bus Crash