A teenage student killed a teacher at a school in southwestern France on Wednesday, authorities said.

At a major international defense exhibition in the United Arab Emirates this week, tucked away in a distant corner, a large purple structure featuring Russia's name has been erected far from the sight of most visitors.

China's navy has significant advantages over its US rival, including a bigger fleet and greater shipbuilding capacity, as Beijing seeks to project its power across the oceans, the head of the United States Navy said Tuesday.

When Russia launched its full-scale invasion of Ukraine one year ago, Western countries hit back with unprecedented sanctions to punish Moscow and pile pressure on President Vladimir Putin. The aim: to deal an economic blow so severe that Putin would reconsider his brutal war.

Shamima Begum, who left the United Kingdom to join ISIS at the age of 15, has lost her appeal against the decision to revoke her British citizenship.