British police officers are in Israel to investigate the use of fake UK passports in the recent murder of Mahmoud al-Mabhouh, a senior Hamas leader, in Dubai.
The officers' presence was reported as Dhahi Khalfan Tamim, the Dubai police chief, said most of the suspects linked to the murder were in Israel.
Tamim pointed the finger at Meir Dagan, the head of Israel's secret service Mossad, which is widely suspected of carrying out the Cold War-style hit on al-Mabhouh in his Dubai hotel room.
Rafi Shamir, a spokesman for the British embassy in Tel Aviv, confirmed on Saturday the presence of two police officers.
"Two British police officers arrived a few days ago to interview British passport holders on the use of false passports" bearing their identities in the case, Shamir told the AFP news agency.
The officers were preparing to meet six dual nationals whose British passports were used in the assassination, Britain's Serious Organized Crime Agency (Soca) said.
"We are arranging to speak to the six genuine passport holders who are resident in Israel as potential witnesses to a crime," Britain's Press Association news agency quoted a Soca spokesman as saying.
Identity of killers
Dubai police has published details of 26 suspects together with passport photographs, and has claimed that it has DNA proof of the identity of at least one of the killers.
"What is sure right now is that the majority of the murderers whose names have been announced ... are to be found in Israel," Tamim, the police force's head, said in comments published in the Arabic-language daily Al-Khaleej.
Israel has said there is no evidence of its involvement. It has rejected the calls for Dagan's arrest as "baseless" and "absurd".
The murder of al-Mabhouh has mounted international pressure on Israel.
Twelve British, six Irish, four French, one German and three Australian passports were used by the suspects, according to Dubai police.
Israeli ambassadors in four European countries have been summoned for talks and the European Union has also voiced outrage over the use of fake passports.
The revelation of stolen identities being used by suspected Israeli agents has caused a diplomatic outcry, with Australia threatening it would "not be silent on the matter."
Canberra summoned Yuval Rotem, the Israeli ambassador, on Thursday and said that friendly ties were at risk if Israel was found to have sponsored or condoned the tampering of three Australian passports.
Where trails end
The spotlight is, meanwhile, falling on those countries where police say the alleged assassins' trails begin and end: Switzerland, Italy, France, Germany and the Netherlands.
Authorities there have either declined to say whether they are investigating, or told The Associated Press news agency they have no reason to hunt down the 26 suspects.
European countries' reluctance to investigate may have something to do with the widely held belief that the killing was carried out by a friendly country's intelligence agency, namely Mossad.
Experts say arresting Israeli agents - or even digging up further evidence that Israel was involved - could be politically costly.
PHOTO CAPTION
Members of the Hamas movement stand next to a portrait of the group's assassinated senior commander Mahmud al-Mabhuh during a rally to honor the latter in the Gaza Strip refugee camp of Jabalia on February 17.
Al-Jazeera