It's so hot the fuel can catch fire - the bikers tell the BBC they must live with the risk of injury and death.

Mazaar, who is in his late 30s, is the main breadwinner for a large family that includes his one child and many brothers.

He says he became a fuel smuggler three to four months ago when drought meant he was no longer able to farm.

He is among 2.4 million people in Balochistan’s population of about 15 million estimated to be involved in fuel smuggling between Iran and Pakistan.