Update to this story.

Via Independent:

US PRESIDENT Barack Obama, First Lady Michelle and their daughters Malia (14) and Sasha (12) have touched down in Belfast this morning. The President is due to attend the G8 summit in Fermanagh, but his wife and daughters are to head south of the border this morning. […]

And an array of prototype American Secret Service officers – complete with dark suits sunglasses and ear pieces – discretely kept a watchful an eye on arrivals and departures.

No expense has been spared in catering for the comforts of Mrs Obama and her party. It is understood she will stay in the luxurious €2,500-a-night Princess Grace suite.

It is understood a total of 30 rooms in the five-star, 265-bedroom hotel, have been booked for the visit of Mrs Obama and her entourage. During their stay in Dublin, Mrs Obama and and her daughters will visit Trinity College where they will view the Book of Kells.