The state Congress has alleged that the ruling CPI (M) was behind the attack.
Though Shuhaib was immediately taken to a nearby hospital, he later succumbed to his injuries at the Kozhikode Medical college hospital.
The men arrived in a van, began to throw crude bombs at the group and then attacked Shuhaib, the police said.
According to the Congress party, Shoaib was engaged in a tiff in January with the CPI-M unit in the town over student politics.
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According to the party, Shoaib along with a few others was waiting in front of a night eatery near Mattanoor, near here, on Monday, when four persons came in a auto and threw bombs to create a scare. In October a year ago, the Bharatiya Janata Party (BJP) organised a march to protest against what it said the killing of several BJP-RSS activists in the state ever since the CPI-M government came to power in 2016.
"The investigation is on", a police officer said.
Police suspect it could be related to the incidents of violence in the area last week. "Your days are numbered", slogans were heard in the video.
Taking a strong stance Leader of Opposition Ramesh Chennithala said the Communist Party India-Marxist has unleashed terror in brutally finishing off its political rivals. "It seems the party can't survive without violence", said district Congress (DCC) president Satheesan Pacheni.
In the wake of the incident, the Congress party has called for a dawn-to-dusk shut down in Kannur on Tuesday, but has said that vehicles will be allowed to ply.