Britain must pay reparations to former Caribbean colonies subjected to "400 years of the most hideous abuse" or it will be guilty of "collusion" with slavery, MPs have been told.
Labour's Clive Lewis urged the government to follow the example of a wealthy British family who apologised for their ancestor's exploitation in Grenada by pledging to fund community projects.
Mr Lewis told a debate in Parliament that Britain must confront its past and commit to putting it right.