UPDATE; The journalists have now been released.
Two New York Times journalists have been arrested in Egypt, a correspondent for the Associated Press is reporting.
Hadeel Al-Shalchi, a Middle East correspondent for the wire service, tweeted on Thursday that "2 visiting NYT journos been arrested." Al-Shalchi then tweeted that the journalists have been taken into "protective custody" by the military.
Al Jazeera is also reporting that two of its journalists were attacked at the Cairo airport.