Now militants gathered on the outskirts of the city.
Militants used armored vehicles to attack Palmyra, as well as artillery and vehicles with bombers, all their attacks were repulsed with the support of Russian combat aircraft, the Russian Defense Ministry reported to "Interfax" on Sunday.
"Russian Aerospace Forces overnight delivered 64 air strikes on gatherings, positions, columns and militants’ reserves," the Defense Ministry said.
According to the Ministry of Defense of Russia, as a result of Palmyra bombing, more than 300 militants were killed, 11 tanks and armored personnel carriers as well as 31 car equipped with heavy machine guns were destroyed.
A day before it became known that IS militants tried to take control of the city of Palmyra in the east of Syria for a first time a while.
Palmyra is a strategic city for ISIS due to the fact that is close to gas and oil fields.