Police investigators are probing the discovery of a high-powered .45 rifle in an East La Penitence house.
A 28-year-old man, whose occupation was given as a technician, has been arrested as the probe gets underway.
In addition to the rifle, police investigators also found one live round 9mm ammunition along with several ecstasy tablets.
The Guyana Police Force said that Police ranks visited the Turn Drive, East La Penitence house this afternoon after receiving information. It was during a search of the house that the weapon was discovered.
Police sources say a number of other persons are expected to be questioned in connection with the probe.
Ballistics tests are also expected to be carried out on the weapon.