World Bulletin / News Desk
One Russian prosecutor, two defense attaches, security officials, autopsy experts and officials from the country’s Ministry of Emergency Situations have examined the crime scene where Karlov was gunned down.
Turkish officials cooperated with the Russian delegates.
Some Russian officials examined Karlov's remains and those of the gunman, Mevlut Mert Altintas, at the Institution of Forensic Medicine in the Turkish capital.
Andrey Karlov died after being shot multiple times at an art exhibition in Ankara on Monday evening.
Karlov was delivering a speech when the assailant, 22-year-old policeman Altintas, opened fire on him.
The envoy's autopsy has been completed and his remains have been sent to Ankara’s Esenboga International Airport for a state ceremony before repatriation to Russia.
Deputy Prime Minister Tugrul Turkes, Interior Minister Suleyman Soylu and Justice Minister Bekir Bozdag attended the airport ceremony.
Karlov's family will also fly to Moscow.
Turkish Foreign Minister Mevlut Cavusoglu on Tuesday said Ankara’s Karyagdi Street, where the Russian embassy is located, will be renamed Karlov Street in memory of the slain diplomat.
Security has been tightened at Turkey's diplomatic missions in Russia following Monday’s shock assassination, according to the Russian Interior Ministry.
"Police stepped up security at Turkey’s diplomatic missions in the Russian Federation," ministry spokeswoman Irina Volk was quoted as saying by the official TASS news agency.
Volk said Turkey’s embassy in Moscow and consulates in Russian cities were now under "round-the-clock" protection.