A university in the US is being accused of withdrawing a job offer to a professor after he criticised Israel on the social networking site Twitter.

Steven Salaita was set to begin a tenured professorship at the University of Illinois' Department of American Indian studies, before the appointment was blocked after a series of controversial comments condemning Israel's latest offensive in Gaza.

Al Jazeera's Ash-har Quraishi reports from Illinois.

Source: Al Jazeera