Egyptian soldiers stand guard in front of the National Museum in central Cairo on January 29, 2011.

Khaled Desouki / AFP / Getty Images

Sources have told TIME Magazine that Lara Logan, chief foreign affairs correspondent for CBS News, has been detained along with her crew by Egyptian police outside Cairo's Israeli embassy.

UPDATE: Sources have told a TIME reporter in Cairo that Logan was taken to the airport on Friday morning, and will be expelled from the country.

(More on TIME.com: See TIME's new cover story on the turmoil in Egypt, written by Fareed Zakaria)

This detention comes only a day after Logan herself reported on the intensified efforts of the Mubarak regime to clamp down on foreign journalists covering the ongoing protests.

"The army just shifted dramatically to a much more aggressive posture, and they have absolutely prevented us from filming anywhere," Logan said Wednesday. She has been filing reports from the country since Jan. 31. She went on to note that even when Logan and crew left their hotel without cameras, they were followed relentlessly by officials.

CBS had no comment on Thursday's developments. "For security reasons CBS will not be commenting on, or revealing in any way, CBS personnel activity, movement or location," a spokesman told TIME Thursday.

As pro-Mubarak forces continue to isolate and disrupt journalists, most real-time reporting has now shifted instead to Twitter.

Midday Thursday, CNN's Anderson Cooper — who was physically assaulted in Tahrir Square Wednesday - tweeted about his vehicle being assaulted Thursday: "Situation on ground in #egypt very tense. Vehicle I was in attacked. My window smashed. All ok."

The New York Times' Nicholas Kristof also warned his colleagues via Twitter that police were aggressively raiding hotels, looking for journalists.

More on the conflict in Cairo:
Pictures of the turmoil in Egypt
Complete coverage: Middle East in Revolt