The shell was discovered during building work near Enniskillen police station.
Two years without devolved government inspires a father of four to walk from Enniskillen to Stormont.
The fire at a house in Braeside Park was reported at about 11:00 GMT on Monday.
Before sunrise, pipers around the UK played the traditional Scottish lament Battle’s O’er.
Enniskillen was the first to hear news of the armistice after picking up a signal from the Eiffel Tower.