Bhubaneswar, Oct. 8: Police today suo motu registered two cases on the throwing of bottles by spectators during the T20 match between India and South Africa on Monday.

Director-general of police Sanjeev Marik said: "The police have registered the cases and will co-operate with home secretary Asit Tripathy, who is conducting a probe."

Last night, two cases were registered under sections 149, 294, 336 of the Indian Penal Code and Section 7 of the CrPC.

Sources said the police had sought the CCTV footage from the Odisha Cricket Association, particularly from gallery Nos. 2 and 4, from where the spectators had hurled plastic bottles to the ground.

A senior police official said: "Only one bottle had crossed the boundary line. Had we resorted to any kind of action, a stampede-like situation would have been created. We acted with utmost restraint. Let the inquiry be held."

There were allegations that the police became mute spectators when the trouble erupted after India's batting line collapsed. India was bundled out in 92 and lost to South Africa by six wickets. The match was halted twice and the police had to vacate spectators from both the galleries. It is also said a few bottles had hit the VIPs.

Earlier, chief minister Naveen Patnaik had expressed his anguish over the unruly behaviour of the crowd. He had also expressed his reservations against the association's activities. The chief minister wanted to know how the cricket body allowed spectators to enter the stadium with plastic water bottles and asked it to make alternative arrangements for drinking water at the stadium. He also warned both the police and the association officials to take steps to prevent recurrence of such incidents. On this, Behera had said that henceforth spectators would be served water in paper glasses inside the stadium.

Tripathy told reporters: "I will suggest measures to the government how recurrence of such incidents can be avoided in future."

The cricket body has submitted its report to the Board of Control for Cricket in India on the incident. Association secretary Ashirbad Behera said: "We are hopeful that the board will be satisfied with our reply and not ban the Barabati Stadium for holding any international match. Things have been blown out of proportion."

In its reply, the association said they had allowed the spectators to enter the stadium with the plastic water bottles on "humanitarian grounds" and assured the board that it would take measures to ensure that such incidents did not recur.

"Since we won't allow spectators to carry water bottles inside the stadium, we will also remove the protective nets in front of the galleries, so that spectators could have a better view of the matches," he had said.

People from various walks of life, including cricket legends Sunil Gavaskar and Sachin Tendulkar, have expressed dismay over the incident.