Residents have been evacuated from their homes in north west London after a huge blaze broke out at a warehouse.

More than 50 firefighters were sent to tackle the fire at a factory and offices in Chantry Place, Harrow.

Dozens of concerned residents called 999 after spotting the flames and huge plumes of smoke, while social media users reported hearing explosions.

London Fire Brigade said 12 people had been evacuated from nearby homes "as a precaution".