Kollam(Kerala) | A case has been registered against a young man and his friend for allegedly stabbing a 17-year-old boy for giving a chocolate to the main accused's sister, police said on Saturday.

The victim had given a 'Kinder Joy' -- an egg-shaped chocolate candy -- to the sister of the main accused on April 27, police said.

The same night, the main accused and his friend went to the victim's house to question him over the matter and got into a heated argument, it said.

Following the argument, the main accused stabbed the victim and fled the spot, police said.

"All of three of them were friends," an officer of Kilikolloor police station said.

A case of attempted murder and various other offences under the Bharatiya Nyaya Sanhita was registered against the main accused and his friend on April 28 and both of them are in hiding since then, the officer said.

A search is on to nab the duo, he added.