Legacy issues?

The suspicious object which, on its discovery yesterday, caused a security alert in the Sligo Road area of Enniskillen, County Fermanagh, was, apparently, a “40-year-old mortar”.  Which would date it to [circa] 1971…

But whose “mortar bomb” was it?  And how long had it been in place?

Update  The “40-year-old mortar” is now being described as a “rocket propelled grenade” which “had been in the ground for 15 to 20 years” – it was disabled on Friday by British Army technical officers in a controlled explosion.