Gaza Cease-Fire <br />Prompts World Leaders, To Call for Long-Term Solution.<br />The cease-fire was declared in the <br />region early on May 21.<br />U.N. Secretary General António Guterres addressed <br />the development in the conflict via Twitter.<br />Israeli & Palestinian leaders have a responsibility beyond the restoration of calm to start a serious dialogue to address the root causes of <br />the conflict, U.N. Secretary General António Guterres, <br />via Twitter.<br />The sentiment was echoed by European Commission <br />President Ursula von der Leyen.<br />Only a political solution will bring lasting peace and security to all, European Commission President Ursula von der Leyen, via NPR News.<br />U.K. Prime Minister Boris Johnson remarked <br />that a "durable" resolution "ends the cycle of violence <br />and delivers a sustainable and just peace.".<br />U.S. Secretary of State <br />Anthony Blinken will travel to <br />the region soon to meet with <br />leaders from both sides.<br />More than 250 people have been <br />killed in the conflict between Hamas and Israel. .<br />At least 70 of the dead are children