Israeli strikes killed at least 12 Palestinians in the Gaza Strip on New Year’s Day, mostly women and children, officials said, as the nearly 15-month war ground on into the new year. One strike hit a home in the Jabaliya area of northern Gaza, the most isolated and heavily destroyed part of the territory, where Israel has waged a major operation since early October. Gaza’s health ministry said seven people had been killed, including a woman and four children, and at least a dozen had been wounded. Another strike overnight in the Bureij refugee camp in central Gaza killed a