Huge fireball seen erupting over London causes travel chaos at Heathrow

Fire crews from multiple London Fire Brigade stations battle a blaze consuming approximately 15 tonnes of mixed recycling at a Southall recycling centre (Picture: Ben Montgomery / Story Picture Agency)

A huge fireball was seen towering over west London after an explosion at a recycling centre.

Eight fire engines and around 60 firefighters spent three hours tackling the blaze on Johnson Street, Southall, London Fire Brigade said.

Footage on social media shows a huge fireball...