伦敦希思罗机场正在展开追捕行动，此前一起疑似袭击触发了安全封锁。 A manhunt is underway at London’s Heathrow Airport after an alleged attack triggered a security lockdown.

当局证实，伦敦希思罗机场正在进行一场追捕行动，此前发生了一起疑似袭击事件。 A manhunt is underway at London’s Heathrow Airport following an alleged attack, authorities confirmed. 警方正在搜寻涉嫌参与紧急反应和临时安全封锁事件的嫌疑人。 Police are searching for a suspect believed to be involved in an incident that prompted emergency responses and temporary security lockdowns. 尚未公布关于嫌疑人或攻击性质的任何进一步详情。 No further details about the suspect or the nature of the attack have been released. 局势仍然很活跃,旅行者建议预期会延误,安全情况会加强。 The situation remains active, with travelers advised to expect delays and heightened security.