CBS News chief foreign correspondent Lara Logan was subjected to a sustained violent attack by a mob in Egypt’s Tahrir Square last week, according to the US broadcaster.

As Egyptian’s celebrated Hosni Mubarak’s resignation last Friday in Cairo, Logan became separated from her crew 60 Minutes documentary crew and was subjected to a brutal assault, CBS said in a statement.

The former GMTV reporter was saved by a group of women and around 20 Egyptian soldiers before being reunited with her crew.