I don’t know how much of this to believe.

A man wearing a jacket and carrying a bag was able to sneak a bomb onto a flight from Manila to Davao City last month at the height of the nationwide security alert after Britain uncovered a plot to blow up transatlantic planes.

The man pulled off the same stunt on the return flight to Manila.

Had he detonated the bomb, he would have turned the commercial plane into a fireball and killed himself, the crew and hundreds of other passengers.

The man turned out to be a civilian antiterrorism expert tapped by a government official to test security measures at Philippine airports after British police foiled a plan to blow up US-bound planes in midair using liquid explosives…