Israel has closed crossings into northern Gaza, cutting the most direct route for aid to reach hundreds of thousands of people at risk of famine, as airstrikes and shelling killed dozens more people in the devastated Palestinian territory. The move to close the crossings on Thursday will increase diplomatic pressure on Israel as attention shifts from its brief conflict with Iran, back to the violence and grave humanitarian crisis in Gaza. During the 12 days Israel was fighting Iran, more than 800 Palestinians were killed in Gaza – either shot as they desperately sought food in increasingly chaotic circumstances or...