Jake Tapper Jake Tapper

Jake Tapper, ABC News' chief White House correspondent, is leaving the network to become the chief Washington correspondent for CNN, according to The Hollywood Reporter.

Best of 2012: Top TV moments of the year

Tapper, who has led coverage of the White House for ABC since the 2008 election, will also host a weekday program on CNN, according to the report.

In addition, ABC's foreign affairs correspondent Martha Raddatz will be given a new title -- chief global foreign affairs correspondent — and will become the primary substitute for George Stephanopoulos on the Sunday program This Week.