Andy Burnham faces pressure over North Sea oil and gas as a decision on allowing new drilling moves closer.
As Britain braces for its fifth heatwave, environmental groups have urged the Prime Minister to refuse permission for oil and gas production in two areas of the North Sea, known as Jackdaw and Rosebank, as part of the fight against climate change.
But opposition politicians, the oil and gas industry and US President Donald Trump have called for him to grant permission, arguing this would protect jobs and cut household bills.