Switzerland holds national day of mourning as prosecutors investigate negligence in Crans-Montana blaze that killed 40 people
Singapore’s former prime minister and regional leaders warn unilateral US action could undermine international law and global stability
U.S. president warns Tehran against violence as nationwide unrest, internet blackouts and economic crisis intensify pressure on Ayatollah Ali Khamenei
Nationwide unrest spreads beyond students as shopkeepers and farmers join demonstrations against Iran’s ruling regime
US prosecutors accuse the Venezuelan president of leading a military-backed drug network supplying cocaine to the US and Europe
Chinese scientists overcome a key theoretical limit in nuclear fusion, bringing commercial clean energy a step closer