SIALKOT, Nov 5 (APP): Two labourers were killed while two others sustained multiple injuries here on Saturday when a wall adjacent to an under construction plaza collapsed in Lahai Bazaar, in the jurisdiction of Kotwali polics station. According to police, some labourers were busy in construction work of a plaza owned by Maulvi Abdul Shakoor when suddenly the wall of an adjoining building collapsed during digging. As a result, four labourers buried under the debris. Two of them identified as Muhammad Ejaz and Muhammad Bashir died on the spot while Allah Bakhash and Noshi sustained injuries.