Government issues helpline number
A special Government phone line for those seeking information about family members living or working in the US has been set up by the Department of Foreign Affairs.
The number to ring from Ireland is (01) 408 2000.
Irish people in the US should ring the consulate in New York (212) 3192 555.
Aer Lingus has cancelled all eight of its transatlantic flights today.
Two of those flights, to New York and to Los Angeles, are in the air now but will be returning to Dublin airport as soon as possible.
