Enga Provincial Police Commander, Chief Superintendent George Kakas, confirmed that roadblocks have also been set up to stop the extraction of the ballot boxes.
Kakas said because of the delays, candidates and supporters resorted to attacking each other.
Kakas also confirmed that a policeman was also wounded in Wapenamanda whilst trying to extract ballot boxes from Tsak valley.
The policeman, who is attached to the Mobile squad 4, has been airlifted to Port Moresby for treatment.
He said the matter is now a criminal matter and police are still investigating.
