With 10 weeks to go until the World Cup in Brazil, the military police have been sent in to Rio's favelas - its shanty towns - in a bid to clean up the streets.
ITV News Brazil Correspondent Nick Ravenscroft has joined them on the operation:
5am, Complexo da Maré favela - Rio. 10 weeks til the World Cup and in go the marines' armoured personnel carriers http://t.co/Zf3SSCBhIw
Police Special Ops Battalion going street to street looking for armed traffickers, weapons and drugs. So far seen stashes of crack seized.
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