Insurgent outfits seem to have stepped up activities in Karbi Anglong district in the run up to the Lok Sabha polls.
Minister Kahrsing Ingty has a narrow escape on Saturday evening when a hand made grenade exploded in Howraghat minutes before he arrived the stop.
The explosion took place at Phubari in the hills district in front of a Congress leader Michale Bey who escaped unhurt.
The grenade is believed to have been planted by KLNLA.
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