Guwahati, Oct 31: Union Home Minister Shivraj Patil will visit Assam today to take the stock of the situation after Thursday''s serial blasts in the state.

Senior BJP leader and Leader of the Opposition in Lok Sabha, L K Advani, is also scheduled to visit the state later in the day.

Meanwhile, a massive search operation has been launched to arrest those involved in blasts, in which 70 people were killed and over 300 injured.

A seven-member National Security Guard (NSG) team has already reached Guwahati to identify the explosives used in the blasts.

Although normalcy is returning, the shock of serial explosions is still on in the minds of the people.

Twelve high intensity serial blasts rocked Guwahati and some other cities of Assam on Thursday morning.

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.

The banned ULFA has denied any role in these blasts.

The Union Home Ministry sought an immediate report from the Assam Government on serial blasts. (ANI)