A water main has burst in Camden causing a residential street to be flooded with water.The London Fire Brigade was called at 2.50am on Saturday following reports of flooding on Belsize Road.Up to 60 firefighters were called to the incident which occurred when a 42-inch water main burst causing up to 50cm of water across an area of 800 metres.Up to 25 people have been moved to safety following the flooding which has affected 100 properties.