The bomb landed on the steps leading to the building, damaging window panes. No one was injured in the incident. Shillong, Oct 23: Meghalaya Police have sought additional central paramilitary forces after a petrol bomb was hurled at the Enforcement Directorate (ED) office at Shyiap early Thursday, marking the fourth such attack reported in Shillong within 48 hours.The bomb landed on the steps leading to the building, damaging window panes.