The new blast will further heighten fears about security at the Winter Olympic Games which are due to open on February 7 in the Black Sea resort of Sochi which lies 690 kilometres southwest of Volgograd.
Mlipuko huo mpya utazidisha hofu juu ya usalama katika Michezo ya Olimpiki ya Majira ya baridi inayotarajiwa kufunguliwa Februari 7 katika eneo la mapumziko la Bahari Nyeusi la Sochi ambalo liko kilomita 690 kusini magharibi mwa Volgograd.