Ministry of Emergency Situations has increased the group to search for the crew of the crashed An-26 in the Khabarovsk Territory

"In total, almost 140 people and 35 pieces of equipment are involved in search activities, including 83 people and 20 pieces of equipment from the Russian Emergencies Ministry," Interfax quotes a message from the Ministry of Emergency Situations.

Prior to that, it was reported that about 70 people were involved in the operation.

Earlier, a Mi-8 helicopter EMERCOM of Russia discovered from the air an An-26 aircraft that had disappeared earlier in the Khabarovsk Territory. 

Investigators have already opened a criminal case into the loss of communication with the An-26 aircraft in the Khabarovsk Territory.