we ll also look at the crisis in sri lanka. the president has confirmed he will step down after protesters stormed his palace. and we ll look at twitter s share price, which has fallen welcome to college green in front of parliament, where the process of selecting a new leader of the conservative party and new prime minister is under way. if i m occasionally glancing this way and that, sir graham brady, the committee chair, will be speaking in the next few minutes. he will outline the rules of the tory party leadership contest. bear in mind since thursday, effectively that contest began. we still don t know precisely how that will work. what we do know is what the stages of the contest will be. first, each candidate will need to find a number of conservative mps to back them. in previous contests, it was eight. this time, it could be as high as 20. then the 358 conservative mps will vote for their favourite candidates in a series of elimination rounds. let s speak to our poli