The rallies were held on Friday in several localities in the occupied territories in support of some 1,600 Palestinian inmates who have joined a hunger strike, dubbed the Freedom and Dignity, which started on April 17 in protest at their conditions in Israeli prisons.
At least 28 demonstrators sustained injuries at the Beta junction near Nablus when Israeli troops fired tear gas, stun grenades and rubber bullets at the Palestinian protesters.
In the town of Beit Ummar, northwest of al-Khalil (Hebron), at least two protesters suffered gunshot wounds to their their legs, while a number of other Palestinians suffered from tear gas inhalation in Bab al-Zawiya area in central al-Khalil.
At least eight demonstrators were injured in the small central West Bank village of Nabi Salih. Five of the wounded were shot by live bullets and the rest were injured by rubber-coated bullets. Israeli troops had already closed the main road to the village, barring ambulances from reaching the area.
Israeli forces also suppressed a rally in the village of Nilin, where several demonstrators suffered breathing difficulties as a result of inhaling tear gas.
In Kafr Qaddum, a teenage demonstrator was hit by a tear gas canister to his head and another one was shot in the foot by a live bullet. Six other demonstrators suffered from tear gas inhalation in the northern West Bank town.
Clashes were also reported at the Qalandiya checkpoint, a main crossing point between Jerusalem al-Quds and Ramallah, but there has been no immediate report of possible casualties.