UPDATE: Fox News officially announced on Monday afternoon that John Roberts is leaving CNN to become a senior national correspondent for the network. In a statement, Michael Clemente, the channel's senior vice president for news, said that Fox News is "excited to welcome John to FOX News — his reputation as a skilled journalist with years of notable experience in the field will be a valuable addition to our news programming."

ORIGINAL POST: CNN host John Roberts is expected to join Fox News as a senior national correspondent, according to TVNewser.

Roberts, who is engaged to CNN anchor Kyra Phillips, recently left the New York-based "American Morning" to move to Atlanta with Phillips, who is pregnant with twins. He will be based in Atlanta and "will be reporting on major domestic and international stories for the network," according to the TVNewser report.

Roberts, a former Canadian TV and radio host, spent 14 years with CBS News before joining CNN in 2006.