McCann, then three, went missing on May 3, 2007, in and around the resort in Praia da Luz, on Portugal's Algarve coast.
Greek authorities said an armed group boarded the tanker and ordered eight members including the 45-year-old captain to leave.
Pirates have kidnapped 19 people from Greek tanker off the coast of Nigera, which is the third such incident in just over a month.
A total of 13 people have been kidnapped in two separate piracy incidents involving European-flagged ships off the coast of West Africa in the last few days.
The chief of the Romanian police Ioan Buda was fired by the Romanian Interior ministry on Saturday after a series of errors in his police department led to their failure to save a missing girl.
Austrian cyclist and triathlete Nathalie Birli said she was hit, beaten, and tied up before freeing herself from a kidnapper.
13 year old Jayme Coss escaped from the house where she'd been allegedly held for three months in the tiny town of Gordon by 21 year old Jake Patterson.
Olia Kedik, also known as Olia Moda, is a Russian fashion blogger based in San Francisco, California. Her Instagram account was hacked in early August 2018, and hackers bribed her to pay 350 dollars to get it back.
It's after British model Chloe Ayling told Italian police she'd been lured to a photo shoot in Italy's fashion capital last summer, abducted and held captive for six days by Lukasz Herba
Two Britons kidnapped in Democratic Republic of Congo Virunga National Park have been released, Britain's Foreign Minister Boris Johnson said.
UK intelligence services helped the CIA abduct Abdul Hakim Belhadj and his then-pregnant wife in 2004 from Thailand to return them to Tripoli, where Abdul was tortured. Now Britain has admitted its mistake and paid compensation.
The Turkish president promises Ramush Haradinaj "he will pay" for sacking senior officials after six Turks working in Kosovo were hunted down and deported back to Turkey.
The government says 76 of the 110 girls abducted in Dapchi last month by Islamist militants have been returned to the northeastern town
Police in the USA have arrested a man who reportedly threatened to kidnap the singer Lana Del Rey