A delivery driver's vehicle has been hijacked by four masked men, one of whom had a gun.
PSNI in Derry are dealing with a second security alert, after a delivery driver's vehicle was hijacked by 4 masked men at 1:45pm this afternoon.
One of them is reported to have had a gun.
The two occupants of the van were ordered to drive it to the Lonemoor Road and leave it there.
The PSNI says cordons are being put in place.
Today's incident follows a blast which came shortly after 8pm on Saturday when a vehicle exploded on Bishop Street in Derry.
The PSNI said it was fortunate that no-one was killed or injured.
