Some 1,200 Palestinian prisoners in Israeli jails have reportedly begun an open-ended hunger strike. An additional 2,300 declared they would not eat for one day as Palestinians mark Prisoners’ Day. The Israeli newspaper Haaretz reports the hunger strikers are protesting against what they call “humiliating” measures in Israeli prisons, including strip searches of visiting family members and night searches of prison cells, as well as the jailing of many prisoners without trial. Several Palestinians are already on extended hunger strikes, including Tair Halala and Balal Diab who have not eaten for 48 days. Khader Adnan, a Palestinian who ended a 66-day hunger strike in February, is due to be released from prison today.