Thirteen migrants died in Turkish waters when a boat carrying 46 people en route to Greece collided with a dry cargo vessel and capsized, Reuters reports.
Six of those killed were children and 20 others were rescued, a Turkish coastguard source told the news agency.
The boat had left the Turkish coast near Canakkale province.
Seven of those rescued are receiving treatment and the search continues to find 13 missing people.
Earlier, in a separate incident 26 migrants were feared missing after a dinghy carrying them sank off the Greek island of Lesbos.
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