Four Israeli Police Injured in Attack; Biden Reacts to Gaza Aid Worker Deaths
■ Four Israeli police officers wounded in ramming, stabbing attack
■ Biden 'outraged and heartbroken' by deaths of Gaza aid workers
■ Polish PM says aid worker deaths caused 'anger,' straining Israel ties
■ Hamas skeptical new ceasefire proposal will lead to breakthrough
■ Hamas likely to respond to hostage deal proposal within 2 days