CAMBRIDGE (CBS) – The city of Cambridge is raising money to help residents of two apartment buildings who lost everything in a fire.

The fire started in the basement of a building on Hunting Street early Monday morning and then jumped to the building next door on Cambridge Street.

READ MORE: Man In 'Grave Condition' After South Shore Plaza Shooting In Braintree; No Arrests Made Yet

The fire on Hunting Street early Monday morning. (WBZ-TV)

Everyone escaped safely, but most of them are now starting over with nothing. A total of 22 people in nine units lost their homes, authorities said.

Anyone who can help is asked to donate to the Mayor’s Disaster Relief Fund at cambridgema.gov/MayorsDisasterReliefFund.

READ MORE: Driver Killed By Commuter Rail Train In Wilmington Identified; MBTA Says 'Human Error' Focus Of Investigation

You can also contribute in person at the finance department in City Hall or mail it to:

Mayor’s Disaster Relief Fund
c/o Finance Dept.
Cambridge City Hall
795 Massachusetts Ave.
Cambridge, MA 02139

The Sunset Café, a local landmark on the ground floor of the Cambridge Street building, was also destroyed in the fire.

MORE NEWS: Vigil And March Held In Belmont For Henry Tapia, One Year After Being Killed In Road Rage Confrontation

The cause is still under investigation.