“I declare August 29 a National Day of Mourning in connection with the tragic deaths in Baizak district of Zhambyl region. The fallen servicemen and rescuers showed great courage and selflessness. The names of our men will always be remembered in the country,” Tokayev said.

On Thursday, at least 13 people were killed and more than others injured after a series of large explosions had ripped through a military warehouse in southern Kazakhstan.