British Conservative party leadership candidate Andrea Leadsom leaves the BBC television centre in London after appearing on 'The Andrew Marr Show' in London on July 3, 2016.
British media reported Saturday that energy minister and Brexit backer Angela Leadsom has become the favourite to face Theresa May on the ballot paper. / AFP / CHRIS J RATCLIFFE        (Photo credit should read CHRIS J RATCLIFFE/AFP/Getty Images)