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Greek coast guard searching for 26 missing migrants, refugees off coast of Lesbos

  • Lifevests that have been used by migrants crossing from Turkey to Greece are seen on the beach of the island of Lesbos, Saturday, Sept. 19, 2015. A girl about five years old died and at least 13 undocumented refugees and migrants were missing on Saturday after a boat transferring dozens of people from Turkey to Greece overturned off Lesbos island, Greek Coast Guard said. (AP Photo/Petros Giannakouris)

    Lifevests that have been used by migrants crossing from Turkey to Greece are seen on the beach of the island of Lesbos, Saturday, Sept. 19, 2015. A girl about five years old died and at least 13 undocumented refugees and migrants were missing on Saturday after a boat transferring dozens of people from Turkey to Greece overturned off Lesbos island, Greek Coast Guard said. (AP Photo/Petros Giannakouris)  (The Associated Press)

  • An exhausted Afghan migrant lies on the ground  as other hug each other after they arrive aboard a dinghy from Turkey, to the island of Lesbos, Greece, on Saturday, Sept. 19, 2015. A girl about five years old died and at least 13 undocumented refugees and migrants were missing on Saturday after a boat transferring dozens of people from Turkey to Greece overturned off Lesvos island, Greek Coast Guard said. (AP Photo/Petros Giannakouris)

    An exhausted Afghan migrant lies on the ground as other hug each other after they arrive aboard a dinghy from Turkey, to the island of Lesbos, Greece, on Saturday, Sept. 19, 2015. A girl about five years old died and at least 13 undocumented refugees and migrants were missing on Saturday after a boat transferring dozens of people from Turkey to Greece overturned off Lesvos island, Greek Coast Guard said. (AP Photo/Petros Giannakouris)  (The Associated Press)

  • Local resident Dimitris Karapanagiotis, right,  rescues an Afghan migrant whose boat stalled at sea while crossing with others from Turkey to the island of Lesbos, Greece, on Saturday, Sept. 19, 2015. A girl about five years old died and at least 13 undocumented refugees and migrants were missing on Saturday after a boat transferring dozens of people from Turkey to Greece overturned off Lesbos island, Greek Coast Guard said. (AP Photo/Petros Giannakouris)

    Local resident Dimitris Karapanagiotis, right, rescues an Afghan migrant whose boat stalled at sea while crossing with others from Turkey to the island of Lesbos, Greece, on Saturday, Sept. 19, 2015. A girl about five years old died and at least 13 undocumented refugees and migrants were missing on Saturday after a boat transferring dozens of people from Turkey to Greece overturned off Lesbos island, Greek Coast Guard said. (AP Photo/Petros Giannakouris)  (The Associated Press)

Greece's coast guard says it is searching for 26 migrants or refugees missing off the coast of the eastern Aegean island of Lesbos after the boat they were travelling in sank.

The coast guard says a Lithuanian helicopter from the European border patrol agency Frontex spotted people in the sea off the southeastern coast of Lesbos early Sunday. Two coast guard vessels headed to the area and have rescued 20 people. The survivors say they were in a boat that sank with a total of 46 people on board.

No information is immediately available on the nationalities of the survivors.

Hundreds of thousands of asylum seekers, mostly Syrians and Afghans fleeing conflict at home, have arrived in Greece from the nearby Turkish coast so far this year.