At least ten people were killed Saturday when a huge explosion took place in Quetta’s Multan Chowk area.Four officials of the Frontier Corps (FC) were killed in the blast, while the identities of the other five are yet to be ascertained.“Four members of the FC have been killed in the blast, while the remaining six are locals,” Home Secretary Akbar Hussain Durrani confirmed, reports The Express Tribune.The outlawed Tehreek-e-Taliban Pakistan (TTP) have claimed responsibility for the attack.“The TTP’s TSG unity carried out the attack that targeted the convoy of security forces,” Taliban spokesperson, Mohammad Khorasani said in a statement.Initial reports reveal that 25 people have also been injured in the blast. Further injuries and deaths are yet to be ascertained.According to sources, the blast targeted a Frontier Corps convoy the site of the blast is a commercial area with a number of markets located in the vicinity.Rescue teams have reached the blast site, while an emergency has been declared in all nearby hospitals including Civil Hospital Quetta.On January 13, a suicide bomber blew himself up outside a polio vaccination centre in Quetta, killing at least 15 people, mainly police personnel.The policemen were posted outside the centre to accompany polio workers on the third day of a vaccination campaign, which are frequently targeted by Taliban and other militant groups in Pakistan.Of the 15 killed, 12 were part of the police force, one from the frontier corps and another a civilian.