Lost properly!

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WHOOPS! The bodyguard of former Prime Minister David Cameron is being investigated after leaving his gun in a toilet on a plane. A petrified passenger found the 9mm Glock 17 pistol on a British Airways flight from New York to

London after the officer had taken off his holster to use the loo, but not remembered to retrieve it.

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But the forgotten firearm is not the only unusual thing to haveDead silly:

been left behind by mistake as

JAMES MOORE reveals…

Odd items reported missing by Travelodge hotels include an urn containing the ashes of the guest’s father, a five-foot floral unicorn, a Persian Chinchilla cat, a pair of alpacas and a cardboard cutout of Gary Barlow. A litre of fake blood was once found in another chain, while a study by Laterooms.com reported finds such as a blow-up sheep and a plaster cast penis.

Just alarming: In 2016, 50,000 fans had to be evacuated from Manchester United’s Old Trafford ground after a fake bomb was wrongly left behind after a security drill days before.

Uh-Oh 7: In 2000, a topsecret MI6 laptop went missing after an official had a drinking session at a London tapas bar. Items left in Young’s pubs and Geronimo Inns include a policeman’s badge and a stuffed otter.

Travel trauma: A Boratstyle lime green mankini, far left, is among the items left on coaches according to National Express. Strange things discovered on trains include prosthetic legs, a 16ft inflatable dinosaur, a jar of bull’s sperm, a dead shark and human skulls in a bag.

Cameron’s cock-up: The ex-PM ended up red-faced in 2012 after leaving his eightyear-old daughter Nancy in a pub after a Sunday lunch. It was down to a mix-up with his wife Samantha who left the Buckinghamshire boozer in a different motor. They returned for the child 15 minutes later.

Celeb fails: TV’s Stacey Solomon once admitted forgetting she had her baby Zachary with her in a supermarket and left him behind to pay. Actor John Boyega left a top secret Star Wars script under a bed which ended up on eBay, while Inbetweeners star Emily Atack once left her knickers behind after a sex romp.

Flights of fancy: A headstone with the inscription “You will never be forgotten” and a 15-kilo boulder are among the things misplaced at Dublin Airport. Staff at London City Airport have found everything from £50,000 in cash to a book of signed blank cheques. A human eyeball and stuffed armadillo, below, are among other lost items on planes, while at East Midlands Airport a woman boarded a flight having mistakenly left her husband behind at the terminal building.

All at sea: The film Open Water was based on the case of Tom and Eileen Lonergan, a pair of Americans on a scuba diving expedition who disappeared in 1998 after being mistakenly left behind off the coast of Australia by a tourist boat. In 2011 US diver Ian Cole had a similar experience but was rescued by another vessel.