Harriet Harman has pulled out of the Speaker race after losing ground in the second round.
Harman lost votes, down from 72 in the first ballot to 59.
Lindsay Hoyle has raced ahead with 244 votes.
Coming second place is Eleanor Laing (122, up from 113) and Chris Bryant (120 compared to 98).
Rosie Winterton has been eliminated.
The results of the third poll are expected within the hour.