Updated

Groups of students, journalists and teachers are gathering for protests in the Indian capital after a student union leader's arrest and subsequent violence by supporters of the Hindu nationalist party, who accuse the demonstrators of being anti-India.

Police are blocking right-wing Hindu organizations that support the Bharatiya Janata Party from entering the campus of Jawaharlal Nehru University, where thousands of students have been protesting for days.

Police also arrested a Delhi University lecturer on Tuesday. Both he and student leader Kanhaiya Kumar are accused of sedition for participating in events where slogans were shouted against India and against the 2013 secret hanging of a Kashmiri separatist convicted of an attack on Parliament.

On Monday, mobs of lawyers and BJP supporters attacked students outside the courthouse where Kumar was to appear.