A group of Russian investigators has arrived in Turkey to help probe the killing of the Country’s Ambassador.

Kremlin spokesman Dmitry Peskov said that leaders Vladimir Putin and Recep Tayyip Erdogan had agreed the move in a phone call Monday after the assassination of Andrei Karlov by a gunman in Ankara.

Ambassador Andrei Karlov was shot four times in the back as he opened an exhibition of Russian photography in Ankara.

According to Turkish Interior Minister the gunman was shot dead at the scene and identified as 22-year-old Turkish police officer Mevlut Mert Altintas.

Turkish authorities today detained six people over the assassination of the Russian Ambassador.

The state-run Anadolu agency said the attacker’s mother, father, sister and two other relatives were held in the western province of Aydin, while his Flatmate in Ankara was also detained.