Israeli troops shot dead a 15-year-old Palestinian during a Saturday night clash in Jalazoun refugee camp, near the West Bank city of Ramallah, a Palestinian medical source told AFP.
He named the youth as Wajih al-Ramhi and said he was dead on arrival at Ramallah, from a single gunshot.
Israeli news website Ynet said that he was hit in the back.
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The Israeli army could not confirm or deny the reports, saying only that military police were investigating the allegations.
The camp is close to the Israeli settlement of Beit El and is the scene of frequent clashes between young Palestinian stone-throwers and soldiers.
Saturday's death brought to 26 the number of Palestinians killed by Israeli forces since the beginning of this year, the great majority in the occupied West Bank, according to an AFP tally.
Israeli Foreign Minister Avigdor Lieberman has said Israeli-Palestinian peace talks relaunched earlier this year are unlikely to bear fruit within the envisioned nine-month timeframe, but that dialogue should continue in order to contain the long-running conflict.
"I don't believe it is possible in the next year... to achieve a comprehensive solution to achieve some breakthrough, but I think it is crucial to keep our dialogue," he said on Friday in Washington after US Secretary of State John Kerry said peace was closer than it had been in years.