Bulgarian Border Police have found the bodies of a man and a boy who drowned in the Danube River, part of a group of would-be migrants who tried to cross by boat.
Six of the group went missing after the vessel overturned on September 8 near Dobrina island.
The two bodies were found on September 11, 23km downstream.
The four others, two girls, a boy and man, are still missing.
Authorities are still trying to establish precisely what happened.
Commissioner Dimiar Chorbadzhiev of the Border Police told public broadcaster Bulgarian National Television that there was no technical surveillance of that part of the border between Bulgaria and Romania. Border security was carried out through physical patrols.
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