The Rabita Committee of Muttahida Qaumi Movement (MQM) has expressed grief and sorrow over the deaths of several persons after a bus slipped into the river in district Astore in Gilgit and another bus fell into a ravine on its way from Rawalpindi to Kahuta. In a statement issued by MQM here on Tuesday, the MQM body condoled with the bereaved family members and extended heartfelt sympathies. It has also prayed for the eternal peace to all the departed souls.