Nations will vote on whether to designate the slave trade as "the gravest crime against humanity".

The incidents occurred on the same night that Ukraine launched a massive attack on Russia's port of Ust-Luga, near the Estonian border.

There has been a surge of attacks by Israeli settlers on Palestinian villages across the occupied territory since the start of the Iran war.

Colbert, who is a Tolkien superfan, will adapt an early section of the first Lord of the Rings novel.