President-elect Joe Biden’s victory has raised the possibility that the United States could rejoin a deal Iran reached with world powers in 2015. Iran’s supreme leader dismissed the prospect of new negotiations with the West on Tuesday, even as the Tehran government spoke optimistically about the return of foreign companies …

The Tigrayan forces’ leaders could not immediately be reached for comment but have previously denied any responsibility for the massacre. A Tigrayan youth group stabbed, strangled, and bludgeoned to death at least 600 civilians with the collusion of local security forces during a massacre in the town of Mai Kadra, …

Pricing the vaccine at a lower level than competitors could help Moscow grab more market share.