Cabinet minister Andrea Leadsom insists she is not involved in any plot against the prime minister but says the planned Brexit deal could be improved.
The Commons leader is one of five cabinet ministers understood to be hoping to amend Theresa May's plan.
Chris Morris analyses the key points from the 585-page draft agreement between the UK and the EU.
Amber Rudd is appointed work and pensions secretary, succeeding Esther McVey.
The health minister replaces Dominic Raab, who resigned on Thursday over Theresa May's Brexit deal.