Fot this reason, the Alex, which on 5 July rescued a group of migrants from an inflatable raft drifting off the coast of Libya, made a decision to head to Lampedusa, "the only possible safe port for landing", as Mediterranea said in a tweet.
Italian populist Salvini last month issued a decree that would bring fines of up to 50 000 euros ($57 000) for the captain, owner and operator of a vessel "entering Italian territorial waters without authorisation".
More than 40 migrants disembarked a charity rescue vessel in the Italian port of Lampedusa early on Sunday.
An Italian rescue ship with 46 migrants on board has docked without incident in the Italian port of Lampedusa despite an explicit ban after declaring a state of emergency.
Mediterranea tweeted that its exhausted crew were living through a "surreal situation", and prolonging the wait was "an unnecessary cruelty".
Meanwhile, another NGO ship, the Alan Kurdi - operated by German charity Sea-Eye - is afloat in global waters just outside Lampedusa, carrying another 65 people.
"I observed that the German authorities wrote me a letter on the present time asking to reopen the ports and to let the total migrants disembark", he said on a Fb are dwelling circulation.
Italian authorities evacuated only 13 "vulnerable" migrants from the vessel and took them to Lampedusa.
Mr Salvini, from the most provocative-hover League birthday party, takes a hardline stance towards migrants and rescue ships - one thing that has considered every his and his birthday party's repute lengthen.
Salvini on Saturday repeated his call for reform of the European Union's Dublin rules, which stipulate that asylum requests be handled by the country where they first arrive.More news: Crowd Chants 'Equal Pay' After U.S
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And a ballotprinted within the Italian newspaper Corriere Della Sera on Saturday talked about 59% of Italians current of Mr Salvini shutting Italy's ports off to NGO-elope vessels.
On Sunday it was heading to Malta with 65 migrants on board but the Maltese government has not yet decided whether it will allow the vessel to dock there.
In a deal negotiated with the European Commission and the German government, EU partners "will also take at least half of the 58 migrants" rescued separately by the Maltese navy.
Italy has been surely one of many indispensable destinations for migrants making an try to reach Europe by ability of the North Africa route, largely from Libya.
Relations between Italy's government and charity rescue ships grew increasingly tense last week, when Sea-Watch 3 captain Carola Rackete was arrested, after forcefully docking her ship in Italy.
Two other investigations, on charges of helping people smugglers and resisting the authorities are still underway after Rackete forced her way past Italian customs vessels.
The Sea-Eye's vessel had rescued 65 people from an overloaded rubber boat in worldwide waters off the Libyan coast earlier this week, but wasn't allowed to enter Italian waters.
On the opposite hand, the Italian mediate in Ms Rackete's case dominated that neither Libya nor Tunisia had been true countries for migrants.
On Tuesday night, 53 migrants were killed in an air strike on their detention centre in a Tripoli suburb.
The group is in solidarity with Sea Watch captain Carola Rackete.