Dubai has identified 15 new suspects in the assassination of a Hamas leader at a Dubai luxury hotel.
Al Arabiya television has reported that many of the suspects used credit cards issued by the same bank.
It added that of the new suspects, one held Irish documents, six had British identities and three had Australian identities.
Mahmoud al-Mabhouh, a founder of the armed wing of Hamas, was found dead in his hotel room in Dubai on 20 January.
Dubai police last week released the names and photos of 11 suspects in Mabhouh's killing whom they say entered the UAE on European passports.
Those passports appeared to have been falsified or stolen.
Dubai police have now identified a total of 26 people suspected of involvement. The total number of Irish ones involved is six, with an extra one found on top of five confirmed last week.
This sixth passport also uses a genuine number, but employs a false name.
The killing has been widely condemned in Europe, and the issue of the passports used has created a diplomatic furore in which Israeli envoys in Ireland, Britain, Germany and France have been called in for talks.
Dubai police say they suspect Israeli intelligence service Mossad was behind the assassination.
Israel has refused to admit or deny that it carried out the attack.
