The Special Criminal Court has ruled that evidence from 11 members of the Garda National Surveillance Unit in the retrial of two men accused of the murder of dissident republican Peter Butterly almost four years ago should be given anonymously and with the public excluded from court.

The 55-day-long trial of three men charged with murdering dissident republican Peter Butterly has collapsed at the Special Criminal Court, after a failure in evidence disclosure.

The 55-day-long trial of three men charged with murdering dissident republican Peter Butterly has collapsed at the Special Criminal Court after a failure in evidence disclosure.

A garda member of the National Surveillance Unit (NSU) who was present in a car park shortly after dissident republican Peter Butterly was shot dead there gave evidence at the Special Criminal Court today at the trial of three men accused of the murder.

The trial of three men charged with murdering dissident republican Peter Butterly is "the first case in the history of the state" where a tracking device has been mentioned, a senior garda told the Special Criminal Court today.

The Special Criminal Court has directed that the public be excluded from court while gardaí from the National Surveillance Unit give evidence in the trial of three men charged with murdering dissident republican Peter Butterly.

Specialist surveillance gardaí will not be allowed give evidence from behind a screen at the non-jury trial of three men accused of murdering dissident republican Peter Butterly.

The trial of three men charged with murdering dissident republican Peter Butterly has heard a former co-accused "wanted no more to do with" the case when he gave evidence.

Four Dublin men have been charged at the Special Criminal Court with the murder of dissident republican Peter Butterly.

The High Court has refused a bail application brought by a man charged in connection with the fatal shooting of dissident republican Peter Butterly in Co Meath in March.

Three men appeared before a special sitting of the Special Criminal Court over the weekend charged in connection with the fatal shooting of dissident republican Peter Butterly in Co Meath.

Three men have been remanded in custody after being charged in connection with the murder of Peter Butterly.