Seventy firefighters tackle large grass fire in Enfield

A grass fire on Rammey Marsh is producing a lot of smoke over the M25

(Picture: London Fire Brigade)

Around 70 firefighters are tackling a large blaze on Rammey Marsh in Enfield as temperatures soar to almost 35C in London.

Grass in the capital is “tinderbox dry” and “the smallest of sparks can start a blaze which could cause devastation”, the London Fire Brigade warns.