Gaza Strip, March 15 (ANI): At least 20 people were killed and 155 injured in shelling on Thursday while they were awaiting food aid in Gaza, CNN reported citing the health ministry in the Palestinian enclave. Mohammad Ghrab, a doctor at the emergency unit at Al Shifa Hospital, said the death toll is expected to rise as casualties are still being shifted to the hospital, the report stated. Earlier, a witness on the spot said dozens of people died, with videos purportedly showing tens of bodies lying at the scene, according to a CNN report. The Palestinian health ministry described the incident…