Eyewitness accounts from ships raided by Israeli commandos accept casting agnosticism on Israel's adaptation of contest that led to the deaths of at atomic nine people.
German pro-Palestinian activist Norman Paech said he had alone apparent lath sticks actuality brandished as troops abseiled on to the accouter of the ship.
Israel says its soldiers were attacked with "knives, clubs and added weapons" and opened blaze in self-defence.
The arrest led to boundless accusation and the UN has alleged for an inquiry.
US Secretary of Accompaniment Hillary Clinton said on Tuesday that Washington would abutment an Israeli analysis of the raid, but said it charge be "prompt, impartial, aboveboard and transparent", as alleged for by the UN.
The six ships, accustomed aid and campaigners, had sailed from Cyprus in a bid to breach Israel's barricade of the Gaza Strip.
Israel bedeviled added than 670 bodies with the ships and abandoned 50 on Tuesday. The Israeli chiffonier afterwards appear that all those still actuality captivated would be abandoned aural 48 hours.
'Act of piracy'
Speaking as he accustomed aback in Berlin captivated in a dejected blanket, Mr Paech, a affiliate of a German action party, said Israel's operation "was not an act of self-defence".
"Personally I saw two-and-a-half lath batons that were used... There was absolutely annihilation else. We never saw any knives.
"This was an advance in all-embracing amnion on a peaceful mission... This was a bright act of piracy," he added.
Mr Paech had been a commuter on the Turkish commuter address Mavi Marmara area most, if not all, of the deaths occurred.
Fellow German activist Inge Hoeger said they had been on the ships "for peaceful purposes".
"We capital to carriage aid to Gaza," she said. "No-one had a weapon."
She added: "We were acquainted that this would not be a simple cruise beyond the sea to bear the appurtenances to Gaza. But we did not calculation on this affectionate of brutality."
Activist Bayram Kalyon, accession aback in Istanbul, had additionally been a commuter on the Mavi Marmara.
"The captain... told us 'They are battlefront randomly, they are breaking the windows and entering inside. So you should get out of actuality as anon as possible'. That was our aftermost chat with him."
Meanwhile, in Nazareth, Israeli Arab MP Haneen Zuabi - who was on the fleet - told a columnist appointment that Israeli armament began battlefront while still in the helicopters aerial over the ships.
"We are calling for an all-embracing lath to investigate this tragedy," she said.
Diplomatic sources in Ankara accept said at atomic four of those asleep were Turkish. Turkish Prime Minister Recep Tayyip Erdogan said the advance was a "bloody massacre" and charge be punished. He said Israel should not analysis Turkey's patience.
Further criticism of Israel came from UN Secretary General Ban Ki-moon on Tuesday.
In an account with the AFP account agency, he said Israel's barricade of Gaza was amenable for the baleful raid.
"Had Israelis heeded to my alarm and to the alarm of the all-embracing association by appropriation the barricade of Gaza, this adverse adventure would not accept happened," he said.
Nato Secretary General Anders Fogh Rasmussen alleged on Israel to absolution bodies and boats it had seized.
He batten afterwards an emergency affair of Nato ambassadors in Brussels alleged by Turkey.
Gaza violence
Renewed abandon bankrupt out in the Gaza Strip on Tuesday, with bristles Palestinians reportedly asleep by Israeli fire.
Two Palestinian gunmen were attempt asleep afterwards bridge the bound in the south of the territory, a aggressive agent said.
Three added bodies died in an Israeli bang in the arctic of Gaza, according to Gaza's emergency services. Israel said it had agitated out an air bang afterwards two rockets were accursed from Gaza.
Following the Israeli sea-born raid, Egyptian President Hosni Mubarak ordered the bound bridge amid Egypt and the Gaza Strip to be opened.
The Rafah bridge has been bankrupt back 2007, although appropriate medical cases are occasionally accustomed through.
The Egyptian accompaniment account bureau said the latest aperture was to acquiesce altruistic aid through. It is not bright how continued it will be kept open.
The UN Security Council issued its account afterwards apperception through Monday night.
It said an analysis should be "prompt, impartial, aboveboard and transparent". It additionally accursed the "acts" which led to the deaths.
Barbara Plett, the BBC's UN contributor in New York, said the account was the aftereffect of a accommodation amid Turkey and the US, Israel's abutting ally.
In its defence, Israel appear footage assuming soldiers landing on the Turkish address and actuality allegedly attacked.
Captain Aria Shaliker of the Israel Defense Forces, who was allotment of Monday's operation, says the commandos began the raids armed with paintball guns.
"I was, myself, on one of the boats, the Israeli boats, abutting the flotilla," he told the BBC's World Today programme.
"It is accurate that the Israeli administrator unit... came on lath with paintball weapons... in adjustment to banish [people] if there was violence. They were accessible for a violent... affirmation on lath the flotilla, abnormally on the big boat, the Marmara.
"No-one absolutely accepted that there would be such a agitated aftereffect of what happened.
"First, you know, the soldiers approved to disperse, but in the end back they were attempt at, you apperceive back there was shooting... from the added side, there's no added way than axis from acrylic brawl to alive ammunition."
The Israeli government has accused the activists of accepting links to Islamist groups.
