Thousands of Israeli demonstrators thronged a Jerusalem square on Saturday, concluding a four-day march from the Gaza border intended to pressure the government to free hostages held in the Palestinian territory. Prime Minister Benjamin Netanyahu’s government has faced mounting calls to bring home the 130 captives Israel says remain in the Gaza Strip, including 31 who are presumed dead. Protesters in Jerusalem waved flags and raised posters with the hostages’ pictures or slogans calling for their release. Organisers said 20,000 people participated in either the march or Saturday’s rally. This …