In another incident, some unidentified persons opened fire at the house of Yumkham Erabot, a former Congress minister and now a BJP candidate at 3:20 am. However, there were no casualties.
A China-made hand grenade was also lobbed at Congress candidate RK Imo's house in the Sagolband constituency. There were no casualties.
There were reports of attacks on the houses of some other candidates too. Cars and other property were also damaged in stone pelting. Police said the hand of political rivals was suspected in the attacks.
In view of the violent atmosphere, the election commission is using 280 personnel of the central paramilitary forces on election duty.
Police said that the night curfew shall remain in force till March 11, the day of counting of votes.
Manipur votes in two phases, on March 4 and 8.
Get the latest election news, live updates and election schedule for Lok Sabha Elections 2019 on ndtv.com/elections. Like us on Facebook or follow us on Twitter and Instagram for updates from each of the 543 parliamentary seats for the 2019 Indian general elections. Election results will be out on May 23.