BJP has alleged that CPI(M) activists were behind the attack. Police, quoting eyewitnesses, said at least seven persons were involved in the attack of whom some were allegedly from the Marxist party.
During 'pooram' festivities at Kokkulangara Temple late last night, the worker Nirmal (20) was stabbed following an altercation, police said.
Though he was rushed to hospital, the youth succumbed to injuries, they said.
Another person, Mithun, also a BJP worker, who was injured, has been hospitalised.