The death toll from the collapse of a tower block in southwestern Iran rose to 18, state media reported on Thursday, making it the country’s deadliest such disaster in years. A large section of the 10-storey Metropol building that was under construction in the city of Abadan, Khuzestan province, crashed to the ground on Monday, with initially dozens feared trapped. “The exact number of people trapped under the rubble is not known, but so far, the bodies of 18 people have been recovered,” state news agency IRNA quoted city governor Ehsan Abbaspour as saying. He added that “37 people were rescue…