At least 16 people were killed in clashes this morning between the Israeli navy and a flotilla of ships trying to bring aid to the Gaza Strip, Israel's Channel Two television news said.
Earlier, activists said two people were killed and about 30 wounded today when Israeli forces boarded a Turkish ship that was part of the flotilla which Israel had vowed to stop.
Israeli public radio quoted an unnamed Arab journalist aboard a ship as saying the navy intercepted the activists and that shooting was heard.
At least 10 members of a flotilla of ships carrying hundreds of pro-Palestinian activists and humanitarian aid supplies were killed in clashes, Israel Army Radio reported.
In a statement this morning, the Minister for Foreign Affairs Micheál Martin said he was "gravely concerned" over reports emerging of the storming of the Turkish ship. He said the department was seeking to confirm the safety of the eight Irish nationals who sailed with the Turkish led flotilla.
"The reports of up to 15 people killed and 50 injured, if confirmed, would constitute a totally unacceptable response by the Israeli military to what was a humanitarian mission attempting to deliver much needed supplies to the people of Gaza."
Irish activists aboard the 1,200-ton cargo ship Rachel Corrie , named after an American who was crushed to death by an Israeli army bulldozer in Gaza in 2003, had set sail from Dundalk at the weekend to join the convoy.
"Two people have been killed on board the Turkish boat and 30 or more were wounded," said Mary Hughes Thompson, a spokeswoman for the Free Gaza Movement, which was behind the convoy. "As far as we know IDF (Israeli military) commandos descended on the boat from helicopters and took it over."
An Israeli religious medical service said seven people had been admitted to hospital in Haifa, Israel's main naval base, one of them in a serious condition.
Turkey's Foreign Ministry called the raid "inhuman" and said it "may cause damage to our relations that will be impossible to repair," according to the statement e-mailed by the ministry in Ankara today.
The European Union today called for an enquiry into deaths aboard Gaza aid ships and urged Israel to allow the free flow of humanitarian aid to the Gaza Strip.
"High Representative Catherine Ashton expresses her deep regret at the news of loss of life and violence and extends her sympathies to families of the dead and wounded," said a spokesperson for Ms Ashton, the EU's foreign policy chief.
"On behalf of the European Union she demands a full enquiry about the circumstances in which this happened. . . . She calls for an immediate, sustained and unconditional opening of the crossing for the flow of humanitarian aid, commercial goods and persons to and from Gaza."
The Palestinian president, Mahmoud Abbas, described the killings as "a massacre".
Israeli officials said overnight the navy told the activists by radio to turn back towards Cyprus or head for the Israeli port of Ashdod to unload the 10,000 tonnes of aid, which Israel would then transfer to the Palestinians in the Hamas-run Gaza Strip.
The convoy set off in international waters off Cyprus on Sunday in defiance of an Israeli-led blockade of Gaza.
The flotilla was organised by pro-Palestinian groups and a Turkish human rights organisation. Turkey had urged Israel to allow it safe passage and said the 10,000 tonnes of aid the convoy was carrying was humanitarian.
Israel had said it would prevent the convoy from reaching the Gaza Strip, which is run by the Islamist Hamas group.
Israel and Egypt tightened a blockade on Gaza after Hamas took over the territory in 2007. Israel launched a devastating military offensive in Gaza in December 2008 with the aim of halting daily rocket fire towards its cities.
Most of the 1.5 million Palestinians living in Gaza rely on aid, blaming Israel for imposing restrictions on the amount and type of goods it allows into the territory.
The United Nations and Western powers have urged Israel to ease its restrictions to prevent a humanitarian crisis. They have been urging Israel to let in concrete and steel to allow for post-war reconstruction.
Israel denies there is a humanitarian crisis in Gaza, saying food, medicine and medical equipment are allowed in regularly. It says the restrictions are necessary to prevent weapons and materials that could be used to make them from reaching Hamas.
We await the sickening support from the Israeli backers on here for this.
The IDF once again are flexing their muscles against unarmed people who can't fight back. What heroes.
