Gaza Ceasefire Breach Amid Mutual Blame with Hamas
Israel claims air strikes since October to prevent attacks and destroy militant infrastructure.
Ceasefire followed Trump's plan, with Israel retaining 53% of Gaza.
Haroun Nimr Bahar, Abdulrahman Al-Qann, and others killed in specific incidents.
Israel revoked licenses of 30 aid groups, raising civilian concerns.
Health ministry reports 420 deaths since ceasefire, over 71,000 in total.