Israeli army invaded, on Tuesday morning, Aida refugee camp south of the West Bank city of Bethlehem.
Troops conducted a wide scale search in the camp, forced the families out of their houses for three hours and detained some of the youth.
All dittanies were released after soldiers searched their houses and checked their identify cards, local sources reported.
This invasion comes after Palestinian group hurled a pipe-bomb at border policemen patrolling near the Separation Wall area adjacent to the camp.
Three border policemen sustained light injuries and received first treatment on the spot.