CPI (M) alleged that some RSS-BJP workers came in a vehicle and hurled a bomb at Pinarayi in Dharmadam assembly segment from where CPI-M politburo member Pinarayi Vijayan won. One person identified as Raveendran (47) died and four others were injured when the bomb exploded, police said.
In another incident at Mattannur, a bomb was hurled at a victory rally in which four CPI-M workers were injured.
At Vidyanagar in Kasaragod, workers of CPI(M) and BJP clashed and LDF'S winning candidate E Chandrasekharan and CPI(M) state committee member A K Narayanan were injured in stone pelting incidents.
Police burst teargas shells to chase away the workers.
CPI-M and IUML workers clashed at Kanhangad, police said.
Kasaragod district collector has imposed prohibitory orders at Kasaragod, Kanhangad and Manjeswaram.