An Israeli army spokesman said there had been disorder at the protest and that several demonstrators who were briefly detained were subsequently released.
Israeli guards beat five demonstrators, including one dressed as Father Christmas, during a protest on Friday against Israel's separation barrier in the West Bank, organisers said.
About 50 Palestinian, Israeli and international peace activists attended the rally in the village of Um Salomona, near Bethlehem, the Biblical birthplace of Jesus that is preparing to celebrate Christmas.
Israeli border guards armed with truncheons briefly detained one activist and beat another five during the rally, the organisers told AFP, adding that one was wearing a Santa Claus costume.
An Israeli army spokesman said there had been disorder at the protest and that several demonstrators who were briefly detained were subsequently released.
Israel says the massive barrier of electric fencing, barbed wire and concrete walls built across the West Bank is needed to stop potential attackers from infiltrating the country and attacking Jewish settlements on Arab land.
The Palestinians say the project is aimed at grabbing their land and undermining the viability of their promised state.
In 2004, the International Court of Justice issued a non-binding ruling that parts of the 650-kilometre (410-mile) barrier criss-crossing the West Bank are illegal and should be torn down. Israel has vowed to complete the project.
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