Quetta: At least 20 people were killed and 53 others injured on Saturday morning in a blast at a railway station in Pakistan's southwest Balochistan province, chief executive officer of Pakistan Railways said. The attack happened at about 8:20 a.m. local time (GMT 0320) at Platform No. 1 of the railway station in the provincial capital city of Quetta where the train Jaffar Express was ready to depart, the railways said in a statement. According to Namibia Press Agency, military sources from Quetta, speaking on condition of anonymity, indicated that the target of the attack were soldiers leaving for their homes in other provinces after completing a training course in Quetta. The sources revealed that a suicide bomber detonated his explosive jacket amidst a crowd of over 100 people, including soldiers, railways police, and civilian passengers. Railway officials confirmed that Jaffar Express remained safe during the attack and has been rescheduled. Muhammad Zeeshan, manager of operations of the rescue departm ent of the Edhi Foundation in Quetta, reported that the injured included two railway police officials, and a woman was among the deceased. The casualties comprised both troops and civilians who were boarding the train destined for Peshawar city in the country's northwest Khyber Pakhtunkhwa province. The proscribed group Balochistan Liberation Army claimed responsibility for the attack in a press release shared with media and on social media platforms. Police, security forces, and rescue teams promptly arrived at the scene, transporting the bodies and injured to the hospital. Pakistan's Prime Minister Shehbaz Sharif condemned the attack and directed the hospital administration to provide the best possible medical treatment to the injured people.