Police in Brazil have discovered 10 tons of marijuana after battling drug dealers in the country's sprawling slums in Rio de Janeiro.<br /><br />They are also searching for hundreds of traffickers who are believed to have fled Sunday's raid on one of the city's most dangerous slums.<br /><br />Public health officials say about 50 people, most of them suspected drug traffickers, were killed in the weeklong operation. <br /><br />Gabriel Elizondo was there when police made one of their biggest seizures.
