conflicting tweets about Tahrir

“WE JUST CAME BACK FROM THE SQAURE. The atmosphere is back to being almost festive. people control most of the bridges and entrances. the square is safe”

“All my duel nationality friends are strongly urged to call their foreign embassies immediately to inform them that a massacre is now in preparation in Tahrir Square and there are numerous foreign nationals inside including my still-missing British friends. All journalists and camera have been evacuated from the Square. Please act now. It will be a disaster”