From Broadcast Dialogue:

CBC News Network has unveiled a new host lineup, effective Oct. 24. Dwight Drummond, host of CBC Toronto News at 6 p.m., will join the network as host of Canada Tonight for one year, filling in for Ginella Massa while she is on maternity leave. Aarti Pole takes over the 10 a.m. – 1 p.m. ET time slot as the host of CBC Newsroom, following the retirement of Suhana Meharchand. Senior reporter Hannah Thibedeau will host CBC Newsroom from 1 p.m. – 4 p.m. ET. Weekend programming changes see Natasha Fatah move into middays.