Updated: 20.00
US President Joe Biden has been touring Co Louth after travelling there by motorcade.
He was due to visit the graves of his ancestors, but this has been cancelled because of the weather.
President Biden was expected to go from Dublin Airport to Louth by helicopter, but the bad weather meant he went by road instead.
The car he travels in - known as 'The Beast' - travelled with a motorcade of around 30 vehicles on the M1.
Joe Biden’s motorcade heading north on the M1 near Fingal pic.twitter.com/d886ogu87c
— Seán Defoe (@SeanDefoe) April 12, 2023
Traffic disruption was not as bad as initially feared with Gardaí managing to keep it moving.
President Biden's first stop was a tour of Carlingford Castle, where he met with Tánaiste Micheál Martin.
He then travelled to Dundalk where he has been partaking in a walkabout in the town centre.
He is also due to spend some time in a local pub.
In a previous visit in 2016, as US Vice-President, Louth County Council bestowed Mr Biden with the Freedom of Co Louth.
He remains the only individual to hold this honour.
Bus Éireann has warned customers of potential disruption on some routes.
It said there will be some diversions on services between Dublin and Dundalk, Navan, Fairyhouse Cross and Wicklow on Wednesday and Thursday due to the road closures to accommodate President Biden's visit.
Customers are being asked to check the service updates section of the Bus Éireann website, and to allow additional time for their travel.
"We particularly advise customers travelling on routes 100X, 103X, 105X, 133 and 133X to plan their journeys in advance as there will be some changes to stops," the company said in a statement.
This includes no services to Merrion Row, Merrion Square, Merrion Street, Leeson Street and Westland Row in Dublin.
President Biden is expected to travel back to Dublin later by motorcade via the M1 southbound, but there is no firm time of when that will happen.
On Thursday he will address a Joint Sitting of the Houses of the Oireachtas and attend engagements in Dublin.
This will include meetings with President Michael D Higgins and Taoiseach Leo Varadkar at the Phoenix Park.
He will then travel on to Co Mayo on Friday, where he will give a public address in Ballina.
Reporting by: Sean Defoe and Ben Finnegan