EU prime ministers have vowed to step up their efforts to mitigate a looming humanitarian crisis in Gaza in a bid to present a united diplomatic front after a week of dysfunction and mixed messages from leaders in Brussels. After an emergency video conference to address the conflagration in the Middle East, the European Council leader, Charles Michel, stressed the need to present “a clear unified course of action that reflects the complexity of the unfolding situation”. Tuesday’s talks were preceded by a statement by EU leaders on Sunday strongly condemning Hamas’s “terrorist attacks” while mentioning “the importance to ensure...