Iran cracks down on vigilantes
" The Iranian authorities have arrested scores of what it describes as "thugs and ruffians" following four nights of civil unrest in the capital Tehran, state-run radio reports.
Riot police were called in to break up clashes between supporters and opponents of clerical rule near Tehran university in the early hours of Saturday morning....
Student associations have said they will continue to demonstrate until 9 July, to commemorate the violent attack by hardline groups on students four years ago."