Meanwhile , tensions in Jordan between an increasingly autonomous PLO and King Hussein 's government had been simmering ; following the Dawson 's Field hijackings , a military campaign was launched to rout out PLO forces . The offensive elevated risks of a regional war and prompted Nasser to hold an emergency Arab League summit on 27 September in Cairo , where he forged a ceasefire
Dawson 's Field hijackings
Dawson's Field hijackings
Gamal Abdel Nasser