Investigators are working to find the cause of a fire that damaged a home Tuesday evening.

Flames broke out around 6:40 p.m. in the 300 block of Carriage Drive in South Heidelberg Twp., Berks Co., officials said.

The fire went to two alarms before firefighters could get it under control.

The fire caused extensive damage to the second floor of the home, where officials believe it accidentally started in a bedroom.

No one was injured.