Here's a closer look at the United Nations' breakdown of casualties. The overall total of more than 35,000 Palestinians killed since Oct. 7, based on Gaza Health Ministry figures, has not declined.

Russia invaded Ukraine six months ago. In that time, thousands of people have been killed, cities destroyed, millions of people displaced and the Ukrainian economy has been battered.

A roundup of key developments and the latest in-depth coverage of Russia's invasion of Ukraine.