Three Conservative MPs have announced they're leaving the UK's Tory party to join a Labour breakaway group.
They said the final straw was the Government's "disastrous handling of Brexit."
The Prime Minister said she was "saddened" by the resignations, but insisted her Government was doing right thing for the country by delivering Brexit.
Jessica King has more from London.
IN: Sarah Wollaston
OUT: SOC
DUR: 38 secs
GEN: http://www.fsnradionews.com/feeds/cons-resign-jk-gen.mp3