Shiv Sena Lok Sabha MP from Osmanabad, Omraje Nimbalkar faced a knife attack here on Wednesday.He was addressing an election rally for the local Shiv Sena candidate Kailash Patil when a youth suddenly came out from the crowd and attacked himThe matter is being investigated.More details are awaited.Single-phased polls in Maharashtra are scheduled to be held on October 21 and results will be declared on October 24.