Israeli army forces invaded the noprthern West Bank city of Tulkarem and its refugee camp, Thursday at dawn and arrested  four residents.

Troops and army vehicles stormed the city and the camp firing sound bombs.  They searched several houses.  The arrestees were Fadi Abu Samra, 18, Tha’er Ikbaria, 18, Baker Al Hafi, 35 and his brother Sami, 24, local sources reported.