For the second time in a week, Nasa on Saturday aborted an attempt to launch its giant, next-generation rocketship, citing a stubborn fuel leak that the space agency said could delay the debut mission of its moon-to-Mars Artemis program by at least several weeks.

Petrol and LPG from a lorry’s fuel tanks was dangerously leaking on Sunday after it overturned on a road in Chon Buri’s Muang district, leading officials to fear an explosion would occur at the scene.