Belfast has become the latest city to open a book of condolences for the victims of the Berkeley balcony tragedy.
The people of Northern Ireland were invited to express their sympathies to the families of Lorcán Miller, Eimear Walsh, Niccolai Schuster, Olivia Burke and Eoghan Culligan yesterday.
The Lord Mayor of Belfast, Councillor Arder Carson, was joined by US Consul-General Greg Burton when he opened the doors of City Hall to members of the public. The city council said they wanted "to allow the people of Belfast - and beyond - to pay their respects to five Irish students and an American friend killed in the tragedy"
Members of all political parties signed the book throughout the day yesterday.
Secretary of State Teresa Villiers was among those who left a message for the families.
The book will be available for signing in the main entrance hall of the City Hall during normal business hours every day this week.
A vigil is to take place in Galway city tomorrow night. One of the injured, Niall Murray, is a student in NUI Galway.
The Mayor of Galway Cllr Frank Fahy will attend the ceremony, in Eyre Square between 9-10pm.
Books of condolences have already been open for several days in Cork City Hall and University College Cork, at County Hall in Tallaght and at Galway City Hall.
UCD has also opened an online book of condolence on its website.
Taoiseach Enda Kenny and President Michael D Higgins were among the people who queued to sign a book opened by the Lord Mayor of Dublin Christy Burke in the Mansion House last week.