Security camera footage appears to show several police vehicles chasing a car just minutes before a fatal crash that killed seven people, including two police officers, near Middlesbrough.♪

安全摄像机镜头似乎显示几辆警车在米德尔斯堡附近发生致命坠机事故前几分钟追逐一辆汽车，造成七人死亡，其中包括两名警察。

The clip is thought to have been filmed on Lime Road at 03:36 BST on Saturday morning, around three minutes before a Volkswagen Passat travelling the wrong way on the A66 nearby collided into a marked police vehicle.♪

这段视频被认为是在周六早上03:36BST在Lime Road拍摄的，大约三分钟前，一辆大众帕萨特在附近的A66上错路行驶，撞上了一辆标有标志的警车。

The BBC understands the police car involved in the crash was not part of the pursuit and that the chase had stopped before the collision.♪

英国广播公司了解参与坠机的警车不是追捕的一部分，并且在碰撞之前追逐已经停止。

Following a mandatory referral from Cleveland Police, the Independent Office for Police Conduct (IOPC) has opened an investigation into the circumstances of the crash.♪

在克利夫兰警方强制转介后，警察行为独立办公室（Iopc）已经开始对坠机事件的情况进行调查。