Credible sightings of UFOs by commercial jet pilots are routinely shelved by a government unit set up to investigate them, documents suggest.

A number of strange encounters have been “s*** canned” after being referred to a secret department run the Royal Canadian Air Force, it is claimed.

Previously classified “event logs” were released to Vice News under Canada’s Access to Information Act.

The files – some marked “secret” – describe mysterious UFO sightings reported by pilots to air traffic controllers.

Others show how fighter jets were scrambled to intercept unknown craft spotted on radar which then vanished.

One aviation expert claims the sightings were not properly followed up, unlike in the US where the Pentagon and Congress are both investigating UFOs.

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