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Ìýarrested 27 people in the occupiedÌýÌýearly on Monday, Palestinian media have reported.

The arrests were madeÌýin various parts of the West Bank including theÌý,Ìýwhere eight people were detained,Ìýand in Jenin, where two were detained,

Israel currently holds over 4,000 Palestinians in detention, according to human rights groups. Around 500 Palestinians are held in "administrative detention", without charge or trialÌýforÌý.

Last month the European UnionÌýÌýend the practice of "administrative detention".

Palestinians from towns and villages near Hebron, Bethlehem, Ramallah andÌýJerusalem were also detained in the early morning raids.

The Israeli army has not commented on the reasons for the raids.

In the town ofÌýSa'ir, east of Hebron,Ìýa man named Ahmed Shalalda was reportedly re-arrested just two weeks after being released.

Israeli forces alsoÌýraided theÌýhalls of residence of theÌýÌýArab American University in Jenin, theÌýAsra Media Office said.

In the town of Qatana near Jenin, the Israeli army violently detained two young men, smashing up their car and leaving traces of their blood on the ground following the arrests.

On Tuesday Amnesty International saying that Israel had institutionalised "systematic" abuse against the Palestinians on a level amounting to the "crime of apartheid".

Many Palestinians held in administrative detention have gone onÌýÌýin protest, withÌýHisham Abu HawashÌýÌýand approaching death before Israel agreed to release him early in January.Ìý