Ranchi, Feb 12, : Bharatiya Janata Party National Vice-President Yashwant Sinha and former Jharkhand Chief Minister Arjun Munda were injured on Thursday in a police baton charge on the activists trying to break open security ring around the Governor's residence here.

Twenty men and women were injured.

BJP activists from across the state marched from different routes to demand the dissolution of Jharkhand Assembly.

Sinha, who suffered an ear injury, was protected by his profusely bleeding guards.

Sinha claimed they were beaten up mercilessly.