[contentcards url=”https://apnews.com/article/israel-palestinians-hamas-war-07-20-2025-2b494af89d710793bc6933f5ae437566″] By WAFAA SHURAFA, FATMA KHALED, MELANIE LIDMAN and SAMY MAGDY DEIR AL-BALAH, Gaza Strip (AP) — Gaza saw its deadliest day yet for aid-seekers in over 21 months of…