"After we came to know that the Somali traders hired the oil tanker, we released it without a ransom", said representative of the pirates, called Abdullahi.
"It is understood that members of the Puntland Maritime Police Force assisted with the ship's release and are now on board", EU Navfor said.
This is the first time Somali pirates have taken over a commercial ship since 2012 and locals blame the attack on foreign fishermen flooding into their waters.
Pirates have hijacked an oil tanker off the coast of Somalia, Somali officials and piracy experts said Tuesday, in the first hijacking of a large commercial vessel there since 2012. Authorities disengaged but threatened to use force if negotiations for the crew's release failed. The ship had been carrying fuel from Djibouti to Somalia's capital, Mogadishu, Steed said.
An official in the semi-autonomous state of Puntland said more than two dozen men boarded the ship off Somalia's northern coast, an area known to be used by weapons smugglers and members of the al-Qaida-linked extremist group al-Shabab.
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The Aris 13 was about 18 kilometres off the Somali coast when it was attacked, according to Steed.
He also said that the Combined Maritime Force in Bahrain is in contact with the Somali Maritime Police on Sri Lanka's behalf. They desperately need to show their grievances by seizing the boat, ' said Abdiwahab Ahmed, an elder in Alula.
"They are human. Even the pirates are human".
Since the Horn of Africa is part of a major maritime route, there was never a shortage of targets, and piracy bloomed until 2012 when the combined efforts of worldwide navy fleets and the shipping companies, which strengthened the defense of their vessels by employing armed guards, seriously dampened hijacking activities.
A pirate has confirmed the release was made without a ransom payment. At the peak of the piracy epidemic in January 2011, 736 hostages and 32 boats were held.