Guwahati: At least three persons, including two women, were seriously injured in serial grenade blasts in lower Assam's Kokrajhar district where unidentified persons hurled six grenades in three places and opened fire in two other places today, official sources said.
Two grenades were hurled near a chariali in Gossaigaon town and near a cinema hall there at around 6.15 pm but none was injured, the sources said.
In the second incident, another two grenades were exploded at 7 pm near a petrol pump at Patgaon under Serfunguri police station injuring the three persons, the sources said.
The injured were admitted to RNBC hospital in Kokrajhar.
The third explosion was at 8.15 pm at Sonarpur on NH-31 under Kokrajhar police station when two grenades were hurled but no injury was reported, they said.
At Sonarpur the attackers also fired several rounds of bullets in the air before fleeing away, the sources added.
The attackers fired in the air at Habrubeel too, under Gossaigaon police station but no casualty reported so far.
Senior police and civil officials have rushed to the sites.