Indian doctors in the northern city of Amritsar say they have surgically removed 40 knives from a man’s stomach.

The 42-year-old man had swallowed the knives over a period of three months.

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He was hospitalized last week after suffering severe pain in his stomach.

Doctors found out that he had been eating knives after conducting diagnostic tests.

The man is recovering in the hospital and is out of danger.

The surgery involved a team of five doctors and it took them five hours to finish the operation to remove the knives.

Doctors are now trying to find out why he was swallowing knives but say it seems like he was suffering from some kind of physiological disorder.

Even his family didn’t know about his habit of swallowing knives, doctors say.