"Trump Survives Assassination Attempt, Biden Calls for Unity and Security Review"

President Joe Biden called for national unity and ordered an independent security review following an attempted assassination of former President Donald Trump. Biden emphasized the importance of not making assumptions about the attacker's motives and directed the Secret Service to review security measures for the upcoming Republican National Convention. The president also paused his campaign activities and postponed a trip to Texas, while Trump announced plans to attend the convention in Milwaukee. Biden's call for unity comes amid a contentious presidential campaign and criticism from within his own party.