GAZA CITY, Gaza Strip – A spooked cow killed a Palestinian man who was trying to slaughter the beast on Saturday during the Muslim celebration of Eid al-Adha, a Gaza health official said. Muslims around the world slaughter sheep, cows and goats, during the four-day holiday that began Friday, giving away much of the meat to the poor. The Muslim holiday commemorates the sacrifice by the Prophet Ibrahim, known to Christians and Jews as Abraham. But accidents are common as people frequently buy animals to slaughter themselves instead of paying professional butchers. The festive atmosphere at the site of the...