Dibrugarh/Guwahati, Sept. 30: Blasts at four places in Assam killed five persons this evening.

Militants of the banned Ulfa were suspected to be behind the blasts in Tinsukia and Dibrugarh districts.

The first blast occurred in front of a meat shop at Lal Bangla Tinali in Tinsukia around 5.55pm. Of the 20 injured who were taken to Assam Medical College and Hospital in Dibrugarh, two were declared brought dead. Another died later.

Investigators said the bomb was possibly strapped to a bicycle parked outside the shop.

Another bomb, concealed in a motorcycle parked outside a cinema in nearby Doomdooma, exploded around the same time, killing two and injuring at least 20.

The third blast caused substantial damage to an Oil India Ltd pipeline in Dibrugarh district around 6.45pm.

The last blast occurred near a collecting station of Oil India Limited in Tinsukia district around 10.15pm.