Two military personnel have been shot dead during a gun attack at an Army base in County Antrim, police said.
Two military personnel have been shot dead during a gun attack at an Army base in County Antrim, police said.
A spokesperson added that two further military personnel and two civilians, all believed to be male, were taken to hospital in a serious condition.
The Police Service of Northern Ireland said two further military personnel and two civilians, all believed to be male, were were in a serious condition.
The incident took place at the Massereene Army base in Antrim, 16 miles north of Belfast, at 2140 GMT.
The incident took place at the Massereene Army base in Antrim, 16 miles north of Belfast, at 2140 GMT.
A spokesperson for the Ministry of Defence described the shooting as a "drive-by" attack.
A spokesperson for the Ministry of Defence described the shooting as a "drive-by" attack.
'Loud bangs'
'Loud bangs'
The four injured men have all been taken to Antrim Area Hospital, about a mile away from the scene.
It is believed that there were two long busts of gunfire during the incident.
It is believed that there were two long busts of gunfire during the incident.
A major security operation is under way and the area surrounding the barracks, which is home to 38 Engineering Regiment, has been sealed off.
A major security operation is under way and the area surrounding the barracks, which is home to 38 Engineering Regiment, has been sealed off.
One witness who lives near the base told the BBC how he looked to the sky after hearing what he thought were fireworks.
One witness who lives near the base told the BBC how he looked to the sky after hearing what he thought were fireworks.
He added: "Then I heard a lot of loud bangs again, only it was a lot more than there was initially - maybe between 10 and 20.
He added: "Then I heard a lot of loud bangs again, only it was a lot more than there was initially - maybe between 10 and 20.
"Then the siren at the Army barracks went off. Then all you heard was the police sirens and ambulances and there was at least six ambulances.
"Then the siren at the Army barracks went off. Then all you heard was the police sirens and ambulances and there was at least six ambulances.
"There was definitely six of the ambulances and God knows how many police cars - they just came out of the police station one after the other."
"There was definitely six of the ambulances and God knows how many police cars - they just came out of the police station one after the other."
No-one has so far claimed responsibility.
No-one has so far claimed responsibility.
The attack comes shortly after Sir Hugh Orde, the chief constable of the Police Service of Northern Ireland, requested the Special Reconnaissance Regiment's help to gather intelligence on dissident republicans.
The attack comes shortly after Sir Hugh Orde, the chief constable of the Police Service of Northern Ireland, requested the Special Reconnaissance Regiment's help to gather intelligence on dissident republicans.
In 2008, dissident Republicans attempted to kill PSNI officers during separate incidents in Derry City and Dungannon, Co Tyrone.
Security forces defused a 300lb (136kg) bomb in Castlewellan, Co Down, close to a barracks in February 2009.
Are you near the Massereene Army base in Northern Ireland? Did you witness or hear the shootings? What does this mean for peace in Northern Ireland? Send us your comments and experiences below.
Are you near the Massereene barracks in Northern Ireland? Did you witness or hear the shootings? What does this mean for peace in Northern Ireland? Send us your comments and experiences below.
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