LONDON (Reuters) - Police arrested eight people on Thursday suspected of sending drugs money to Jamaica in an international money laundering network, Scotland Yard said.

More than 100 officers arrested four men and three women in raids on five addresses in London, and picked up a further man in Cambridge.

Police said the operation followed a lengthy investigation led by the Metropolitan Police's Operation Trident, which tackles gun crime in London's black community.

It said they had been working closely with police in Jamaica and Miami.

Detectives began their probe after discovering a criminal network sending regular sums of cash from drug dealing in south London to associates in Jamaica.

They believe the proceeds were invested in substantial properties in Miami.