The journalist said there were no reports of injuries and that he only saw ordinary police on the scene -- not anti-riot police.

CNN: Moussavi addresses throngs who march in silent protest in Tehran

Anti-riot police used rubber bullets and tear gas canisters to disperse the crowd that invaded the pitch after Malawi lost 1-0 to the visitors.

BBC: Violence mars Malawi match

Police carried anti-riot equipment and encircled the protesting workers.

CNN: South Africa shocked by police shootings at mine

Police maintained a heavy presence in the district on Thursday, with reports of anti-riot vans deployed in the area.

BBC: China

Early on Wednesday, Czech riot police surrounded protesters who attempted to march onto a police station where about 400 of the anti-globalisation activists are being held.

BBC: News Online