The PSNI has released a video appealing for people to come forward with information relating to this morning's car bomb attack in Belfast, telling the public that those who planted the device under a prison officer's van had "set out to kill".
The unnamed 52-year-old victim of the attack is currently undergoing treatment in hospital after the bomb exploded as he drove to work at around 7:10am in the Woodstock Road area.
"'There is a severe threat in Northern Ireland," Assistant Chief Constable Stephen Martin says in the video. "That means an attack is very likely and we're very worried about the threat picture."
He acknowledged the upcoming 100th anniversary of the Easter Rising and that some dissident republicans may want to mark the centenary "in an entirely more sinister way."
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Deputy First Minister Martin McGuinness has tweeted his condemnation of this morning's incident in east Belfast.
A 52-year-old prison officer was on his way to work when after an explosive device detonated under the van he was driving in the Woodstock Road area.
He is in a stable condition in hospital.
Thoughts & prayers are with the Prison Officer seriously injured in Belfast this morning.I unreservedly condemn this despicable & futile act
A shop worker waiting to gain permission to open up in the Woodstock Road area of Belfast said he had heard a "massive" bang at about 7.20am.
"I didn't know what it was but it was huge," said the man who declined to be named.
A large cordon has been put up around the scene with several streets closed off. Part of a twisted bumper can be seen lying at the side of the road.
A prison officer injured in the explosion is in hospital. It is understood the man's injuries are not considered life threatening.
Stormont First Minister Arlene Foster has condemned the incident in Belfast this morning:
The extent of the man's injuries is not yet known.Read the full story ›
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A man has died after being shot in east Belfast, police have confirmed.
The Police Service of Northern Ireland launched a murder investigation after the victim died in hospital.
The shooting happened in the Comber Court area of Short Strand shortly before 9pm.
Sinn Féin councillor Niall Ó Donnghaile condemned the killing, saying: "There can be no place for actions like this in our society. The community here rejects any attempt by any armed group to turn the clock back to the past."
Police can confirm a man has died after a shooting in Comber Court in Short Strand.Murder investigation launched.Witnesses asked to call 101
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A police officer has been struck and injured by a piece of masonry thrown by loyalists during an Orange Order parade in Belfast.
Police have deployed water cannon on the protesters.
Sporadic violence broke out in the north of the city, after police prevented loyalists marching from the unionist Woodvale area toward the nationalist Ardoyne.
On the other side of the police lines, a girl believed to be aged around 16 was reportedly struck by a car as republicans gathered at a row of shops on the edge of the Ardoyne. Police said the driver of the vehicle has been arrested.
The Orange Order condemned the violence and appealed for calm. "Those involved in violence should desist," said a spokesman for the Grand Orange Lodge of Ireland.
"It is not only counter-productive but also plain wrong. Such actions are only strengthening the hand of those who wish to further curtail our parades. We call on anyone engaged in illegal behaviour to stop immediately."
The spokesman said a bus transporting Orangemen was stoned as it passed through Greysteel, Co Londonderry, earlier this evening. He said it was understood no-one was seriously injured in that incident.
Thousands of people are expected to walk through Belfast today in a rally for marriage equality.
Following the Yes vote in last month's Irish referendum, Northern Ireland is now set to be the only part of the UK or Ireland where civil marriage is denied to gay couples, campaigners said. Actress Nuala McKeever is expected to address protesters.
Unionists earlier this year rejected a proposal from Stormont Deputy First Minister Martin McGuinness to hold a referendum on the issue similar to the Republic.
The Northern Ireland Assembly has rejected a proposal calling for the introduction of gay marriage, after debating the issue for a fourth time.
Sinn Fein said equality rights for same-sex couples must be shared by citizens in the north and it will continue to campaign for the reform.
Organisers Amnesty International, the Irish Congress of Trade Unions and the Rainbow Project are asking marchers to assemble outside the Belfast campus of Ulster University from 2:30pm on Saturday.