In this Tuesday, May 5, 2015 photo, a Palestinian Hamas police officer monitors the road as they set up a checkpoint at night in Gaza City. Still recovering from a devastating war with Israel last year, Gaza’s Hamas rulers now find themselves confronting a new internal threat: jihadi militants who support the Islamic State group and appear intent on provoking Israel in order to pressure and embarrass Hamas. (AP Photo/Khalil Hamra)

A nervous Hamas takes on jihadi threat

GAZA CITY, Gaza Strip (AP) — Still recovering from a devastating war with Israel last summer, Gaza’s Hamas rulers now find themselves confro…