Exclusive - Brazil's Petrobras corruption investigators to probe Olympic contracts

The Maracana stadium is seen between Turano slum (L) and Mangueira slum, in Rio de Janeiro, Brazil, November 19, 2015. REUTERS/Sergio Moraes

SAO PAULO (Reuters) - Brazilian police investigating corruption around state-run oil firm Petrobras also plan to probe more than $10 billion of construction contracts for the 2016 Olympic Games in Rio de Janeiro, a lead investigator said.

Some of the big engineering firms caught up in the Petrobras probe "very probably" broke laws against price-fixing and bribery on contracts to build Olympic venues, said Igor Romario, a Federal Police chief and key figure in the investigation.