Morning top 5: Major disruption to transport services; recovery operation continues at helicopter crash site in Wales

The top stories this Friday morning...

Irish Rail is warning of major and extensive disruption to its services today as a result of the Bus Éireann dispute.

Rail services are being affected by secondary picketing.

All DART services have been cancelled, while extensive disruption is also expected across Commuter and Intercity services.

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Dublin Bus has also warned of "serious disruption".

"We wish to advise customers that due to Bus Eireann pickets at depots there will be serious disruption to some Dublin Bus services this morning."

Bus Éireann workers are entering into the eighth day of their all-out strike.

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Police in Wales will try to recover the bodies later of the five people killed in Wednesday's jelicopter crash.

Poor weather conditions have been hampering the operation in a remote part of Snowdonia in the North of the country.

Two of the victims have been named locally as Kevin and Ruth Burke. It has been reported that Mrs Burke was born in Ireland and had been living in the UK for a number of years.

The Minister for Foreign Affairs Charlie Flanagan says his department is in close contact with the UK authorities over the deaths.

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Donald Trump's former national security adviser has reportedly offered to testify at hearings into alleged Russian meddling in the US election in exchange for immunity.

Michael Flynn's lawyer said the retired lieutenant general "certainly has a story to tell and he very much wants to tell it, should the circumstances permit."

He insisted his client had been the victim of "unfounded allegations, outrageous claims of treason, and vicious innuendo directed against him".

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A letter from first minister Nicola Sturgeon calling for a second Scottish independence referendum will be delivered to Downing Street later.

It comes despite the fact that Theresa May has said she will not allow another vote before Brexit.