GAZA (Reuters) — Thousands of Palestinians protested on Sunday after an Israeli air strike killed 57 people in a Lebanese town and Palestinian groups vowed revenge attacks on the Jewish state. Sympathy runs strong among Palestinians for fellow Arabs in Lebanon, caught in Israel’s offensive against Hizbollah fighters.

BEIRUT — A sister of Hizbollah fighter Mustafa Zalzali wears mourning black for her brother, but his death in battle with Israel elicits more pride than grief. “We thank God almighty for making us the family of a martyr,” she said.

TYRE  — Nine-year-old Hussein Mahdi writhes in pain on a Beirut hospital bed, trying not to lie on burned parts of his body. His doctors say the severe burns on his chest, face, hands, legs and back were caused by phosphorous incendiary bombs dropped by the Israelis on civilian areas …