His lawyer Wynanda Coetzee told the Sapa news agency that he was "not doing well" after collapsing.
BBC: South Africa ex-police chief Jackie Selebi loses appeal
Many young families pushed their children in prams in the procession, Sapa reports.
Lawyer for the police Ismael Semenya told Sapa that the national police commissioner Riah Phiyega had begun an investigation into the allegations.
The proposed changes include allowing the publishing of classified information when "such a disclosure reveals criminal activity, " the nation's SAPA news agency reported.
"As Operation Reduce Prices continues, we have so far as police arrested 23, 585 people, " Sapa quotes police spokesperson Oliver Mandipaka as telling state radio.
The National Sea Rescue Institute (NSRI) saved those caught up in rip currents shortly after midday on Sunday, the South African Press Association (Sapa) said.
The court ruled on Monday that the media could not show their faces because prosecutors were concerned that this could jeopardise ongoing investigations, the South African Press Association (Sapa) reports.
One witness, Molaole Montsho, of the South African news agency Sapa, said police had first used water cannon, tear gas and stun grenades in an attempt to break up the protest.
Anene Booysen's 22-year-old ex-boyfriend appeared in court on Tuesday in connection with her rape and murder, and is due to appear again on 12 February, the South African Press Association (Sapa) reports.
"The evidence clearly showed there is at least a strong prima facie case that there has been an attempt to defeat the ends of justice, " lawyer George Bizos told the inquest, according to the Sapa news agency.
"We have done a lot of planning around the World Cup and obviously we have certain ideas on the kind of combinations that we should be playing against England, " the Springbok coach told the South African news agency Sapa.
BBC: SPORT | Rugby Union | Internationals | Boks start Cup countdown
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