North West police on Monday fired rubber bullets into a crowd of ANC members who were trying to force their way into a party conference at Sun City.

Superintendent Louis Jacobs said about 40 people had to be removed from the resort on Sunday night for trespassing.

"A group of delegates forced their way into the meeting, [but] they were not accredited."

The crowd was dispersed but about 100 people gathered again at the main entrance on Monday at around 11am.

"They forced [their way] through the first line of security and moved towards the police who had formed the second line... They started pelting stones at the police."

In return, police fired rubber bullets into the crowd to disperse it.

He said no injuries to individuals in the crowd had been reported. It was alleged that two security guards had been assaulted.

Six people — five women and a man — were arrested and police were investigating a case of public violence against them.

"It has calmed down a bit, but we are still on the scene monitoring the situation," Jacobs said.

ANC spokesperson Jessie Duarte said no violence had been reported but confirmed that a small group of protesters had gathered at the resort insisting on entry to the party's provincial conference.

"The group was rowdy but there was no violence, that is our understanding," she said.

The party would comment on the conference and the protest after the elective results for the Provincial Executive Council had emerged, Duarte said.

The conference was expected to come to an end later on Monday.

Sapa