ATHENS - A man and a woman died when a migrant boat sank off Greece's Samos island in the Aegean Sea, the Greek national news agency AMNA reported on Monday.

Another 22 people were rescued while a search and rescue operation is ongoing. The exact number of people on board at the time of the incident, as well as their nationalities, remains unclear.

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Since 2015, Greece has become a key entry point for irregular migrant and refugee flows into the European Union, with hundreds losing their lives during dangerous journeys at sea.