New Delhi, Sep 22 (IANS): Deputy Chairman of the Rajya Sabha Harivansh has announced that he will observe one day fast in protest of the unruly behaviour exhibited by the members on Sunday.

The development comes after the Deputy Chairman served tea to the agitating MPs who have been suspended for misbehaving with him during the passing of the Farm Bills.

The Deputy Chairman in his letter to the Chairman said that there was violent behaviour in name of democracy and chair was threatened. He said he will fast while performing his duties.

The MPs are on sit in protest since Monday and have spend the entire night in Parliament premises.

The eight suspended Rajya Sabha members have been camping near the Gandhi statue singing on the grass in the high security zone, protesting their suspension after Sunday's unprecedented ruckus inside the upper house.

Asked when the protest will end, the MPs said it depends on when their suspension will be revoked. On Monday morning, Rajya Sabha Chairman M. Venkaiah Naidu suspended the eight, minutes after the House met.

The eight lawmakers are Derek O'Brien and Dola Sen of Trinamool Congress, Rajeev Satav, Ripun Bora, and Syed Naseer Hussain of Congress, Sanjay Singh of Aam Aadmi Party and K.K. Ragesh and E. Kareem of Communist Party of India-Marxist.