February 10 is declared a morning day in Chechnya in the view of death of servicemen from "Vostok" battalion in regional center Kurchaloi. Appropriate decree was signed by president of the republic Alu Alkhanov. "In the view of tragic death of servicemen from emergency plat battalion "Vostok" February 10 is declared a morning day in Chechen republic", - was said in decree. "All cultural centers and TV channels are recommended to cancel entertaining events and programs on morning day. Russian and Chechen flags will be lowered to half-mast on territory of the republic", - was said in the document. As a result of explosion in building owned by "Vostok" battalion 13 servicemen died, 20 people got injuries.