A Vietnamese tycoon detained in Singapore last week remains in the country, one of his lawyers said on Wednesday, easing his family’s immediate fears that he could face the death penalty if he was sent back home. Hanoi is now pressing Singapore to extradite tycoon Phan Van Anh Vu on charges of revealing state secrets, an anti-state crime punishable by the death penalty in Vietnam’s one-party authoritarian state. A mounting internal purge has unsettled Vietnam’s typically sedate Communist Party-dominated politics, as an unresolved factional power struggle for