Four fire engines and around 25 firefighters dealt with flooding on Mount Park Road in Ealing.
A 300mm water main burst on the junction between Aston Road and Mount Park Road, causing flooding in the surrounding area.
The Brigade’s Control Officers were called at 0049 and mobilised crews from Acton, Park Royal, Wembley and Southall fire stations to the scene. The incident was over for firefighters by 0218.