Chris Heaton-Harris takes over as chief whip in shake-up as PM seeks to reassure mutinous Tories

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Boris Johnson has made Jacob Rees-Mogg the new minister for “Brexit opportunities” and installed a key loyalist as his chief whip in a reshuffle intended to shore up his position after weeks of terrible headlines.

Rees-Mogg, who was Commons leader, is moved to the Cabinet Office to take on a newly created role as Brexit opportunities minister, a cabinet-level job that also includes “government efficiency”.