Latest: Brexit talks could take months, says Howlin

Latest: The Labour Party has said that negotiations over the UK's Brexit plan proposed on Friday could drag on for months without resolution.

Update 9.46pm: The Labour Party has said that negotiations over the UK's Brexit plan proposed on Friday could drag on for months without resolution.

Party leader Brendan Howlin said that finally getting a position paper from the UK is a step forward, but it is still unclear how a hard border will be avoided.