A statewide dawn-to-dusk hartal has been called in Kerala by the opposition BJPafter the murder of its party worker in Kannur on Wednesday. The initial hours showed a total shutdown in financial nerve-centre Kochi and capital Thiruvananthapuram. The roads were deserted as buses and other public vehicles stayed off. State transport KSRTC buses were also not plying. There were also reports of a shop being set on fire in Kozhikode.