Hezbollah supporters place a Hezbollah flag in front of the Israeli settlement of Metulla on the Lebanese-Israeli border.
Atwi, who was admitted to hospital with serious injuries, was handed over at the Naqura border crossing, the army said in a statement on Monday, without specifying the nature of his wounds.
The shepherd disappeared on Sunday in an area where there is no barbed wire separating the Lebanese town of Shebaa from the Shebaa Farms, a disputed sliver of land on Lebanon's southeastern border.
UNIFIL spokesman Neeraj Singh declined to specify whether the Israeli troops had carried out an incursion into Lebanese territory, saying an investigation was underway.
Hezbollah, which fought a devastating war with its arch-enemy Israel in 2006, on Monday condemned the abduction as a "Zionist hijacking of a Lebanese citizen... under the noses of UN troops."
It added that UNIFIL was responsible for the Israeli action as it had failed to take "concrete measures to stop... these Zionist violations".
The Shebaa Farms, a mountainous area rich in water resources measuring 25 square kilometres (10 square miles), is located at the junction of southeast Lebanon, southwest Syria and northern Israel.
The area has been occupied by Israel since the 1967 Middle East war and caught in a tug-of-war over ownership ever since.
Lebanon lays claim to the farms with Syria's backing, but Israel argues the territory is Syrian. The United Nations has requested Lebanon provide sufficient proof of ownership.
Israel, which withdrew from southern Lebanon in 2000 after a 22-year occupation, has detained Lebanese shepherds in the area before but has consistently handed them back after holding them for questioning.
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The shepherd disappeared on Sunday in an area where there is no barbed wire separating the Lebanese town of Shebaa from the Shebaa Farms, a disputed sliver of land on Lebanon's southeastern border.
UNIFIL spokesman Neeraj Singh declined to specify whether the Israeli troops had carried out an incursion into Lebanese territory, saying an investigation was underway.
Hezbollah, which fought a devastating war with its arch-enemy Israel in 2006, on Monday condemned the abduction as a "Zionist hijacking of a Lebanese citizen... under the noses of UN troops."
It added that UNIFIL was responsible for the Israeli action as it had failed to take "concrete measures to stop... these Zionist violations".
The Shebaa Farms, a mountainous area rich in water resources measuring 25 square kilometres (10 square miles), is located at the junction of southeast Lebanon, southwest Syria and northern Israel.
The area has been occupied by Israel since the 1967 Middle East war and caught in a tug-of-war over ownership ever since.
Lebanon lays claim to the farms with Syria's backing, but Israel argues the territory is Syrian. The United Nations has requested Lebanon provide sufficient proof of ownership.
Israel, which withdrew from southern Lebanon in 2000 after a 22-year occupation, has detained Lebanese shepherds in the area before but has consistently handed them back after holding them for questioning.
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