Guwahati, Nov 1 The Centre has assured its full cooperation to the Assam Government on Saturday in finding and punishing the perpetrators of the serial blasts in the state.

Union Home Minister Shivraj Patil, who visited the blast sites at Kokrajhar and Barpeta District of the state, said both the Centre and the state government would ensure that such incidents do not recur.

He also visited Barpeta civil hospital to inquire about the well being of the injured in the blasts and spoke to senior police officials as well.

Twelve high intensity serial blasts rocked Guwahati and some other cities of Assam on Thursday morning, leaving over 70 people dead.

The first explosions took place near the Ganeshguri flyover near the high-security capital complex housing the Assembly building, followed by explosions at Paltan Bazar and Fancy Bazar in Guwahati.

Around the same time, bombs also went off in crowded market places of Kokrajhar, Bongaigaon and Barpeta in lower Assam. (ANI)