Several casualties were reported following a masssive explosion at an Imambargah in Islamabad, as per reported by news outlet Dawn. The blast occurred at the Terlai Imambargah in the Shehzad Town area. Police and rescue teams rushed to the scene and began relief and evacuation efforts.Following the explosion an emergency was reported at the Pakistan Institute of Medical Sciences, news agency PTI reported citing local media.The blast came days after Pakistani forces deadly clash with the Balochistan Liberation Army, which lead to massive casualties on both sides.This is the second blast reported in Islamabad. In November, a suicde blast rocked Pakistan’s federal capital. Tweleve people were killed in the incident.This is developing story. Details to follow…