Grant Shapps holds his mobile phone as he walks through the Parliamentary Estate as Britain's re-elected Prime Minister David Cameron names his new cabinet, in central London, Britain, May 11, 2015. REUTERS/Suzanne Plunkett

LONDON (Reuters) - Former Conservative Party chairman Grant Shapps said on Friday that both supporters and opponents of Brexit were among the 30 lawmakers who back a plot to topple British Prime Minister Theresa May.

Divisions over May’s future burst into the open on Friday after her conference speech was ruined by a comedian, coughing fit and even letters falling off the slogans behind her on stage.

Shapps told BBC radio that there was a broad range of lawmakers urging May to step down.

“These are Remainers, they are Brexiteers. They would never automatically agree on a single candidate and this is not about promoting an individual,” he said.