Five men arrested in Bolton on suspicion of rape or conspiracy to commit rape have been bailed until next January.
Officers from the Greater Manchester Police Serious Sexual Offences Unit coordinated the operation at various address across the town.
It follows allegations that a 15-year-old girl suffered numerous sexual assaults between 2011 and 2012.
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Mostly dry overnight. Rain from the west by the end of Wednesday
A man who carried out the "sadistic" murder of his baby son because he could not stand him crying has been jailed for life.
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