Morning top 5: Regulator confirms investigation into gas error; Calls for clarity over Brexit plans; Thousands evacuated in Puerto Rico

The top stories this morning on Newstalk.com

Technical teams are working flat out to restore gas supply to the remaining areas affected by this week's fault at the Corrib Gas Refinery.

An error allowed gas to enter supplies, without the odour which is normally added for safety reasons.

Around 10,000 homes in Galway and Mayo were affected.

The supply was returned to Galway City yesterday with crews working through the night to return the supply to other affected areas include Tuam, Headford, Ballinrobe, Claremorris, Castlebar, Westport, Crossmolina and Ballina.

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Theresa May has been told more clarity is needed over the UK's Brexit negotiating position following her speech yesterday.

The British Prime Minister used it to call on European leaders to strike a "bold and ambitious" trade deal with Britain within two years of ties with Brussels being cut.

But the French president Emmanuel Macron says several issues have to be ironed-out before any future relationship can be discussed.

“I remind everyone that we have a very clear method that was announced,” he said.

“Before we move forward we wish to clarify the issue of the regulation of European citizens, the financial terms of the exit and the question of Ireland.”

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Officials in Puerto Rico are racing to get 70,000 people away from a valley below a dam which could collapse following Hurricane Maria.

Buses are taking residents to higher ground as the barrier strains under the weight of flood water.

Across the Caribbean, 27 people have lost their lives because of the storm - including at least six in Puerto Rico.

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Russia has likened the war of words between Donald Trump and Kim Jong-un to a fight between kindergarten children.

The North Korean leader earlier labelled Mr Trump 'mentally deranged' after he threatened to destroy his country.

Speaking at a rally in Alabama yesterday, the US President said he would protect the American people at all costs.

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Germany holds its general election tomorrow, with opinion polls suggesting the far-right AfD party could finish third.

Chancellor Angela Merkel is hoping to secure her fourth term in office.

The economy has performed well, but she's faced criticism of her so-called "open door" immigration policy.

Union leader Thomas Steinberg said there is frustration among many working class voters.