A team of Russian investigators has arrived in Turkey in the aftermath of the murder of Ambassador Andrei Karlov.

Rio de Janeiro (Brazil)  - An Italian tourist has been shot dead after mistakenly entering a hillside favela in Rio de Janeiro.

Kiev (Ukraine) - A well-known journalist in Ukraine has been killed by a car bomb in the capital Kyiv.

Pavel Sheremet was a host on Radio Vesti and worked for the news website Ukrayinska Pravda.