The Israeli occupation forces (IOF) carried out a large-scale raid and arrest campaign throughout the West Bank early on Thursday.
In Bethlehem at least five local residents were detained from their family houses.
Three more Palestinians including two ex-prisoners were rounded up in Tulkarem.
Another ex-prisoner was detained at a make-shift checkpoint near Nablus.
Two brothers aged 15 and 14 were also detained after Israeli forces violently broke into their family house in Al-Mughayer village northeast of Ramallah.
Four more arrests were carried out in different parts of al-Khalil governorate.
Over the past months 340 Palestinians including 28 children and 5 women were detained by the IOF.