cars, _ helicopters, ambulances, police cars. we — helicopters, ambulances, police cars. we just _ helicopters, ambulances, police cars, we just did _ helicopters, ambulances, police cars, we just did not— helicopters, ambulances, police cars, we just did not know- helicopters, ambulances, police cars, we just did not know what| helicopters, ambulances, police - cars, we just did not know what was happening _ cars, we just did not know what was happening at — cars, we just did not know what was happening at that _ cars, we just did not know what was happening at that point. _ cars, we just did not know what was happening at that point. we - cars, we just did not know what was happening at that point.— happening at that point. we started to see all the _ happening at that point. we started to see all the police _ happening at that point. we started to see all the police vehicles - to see all the police vehicles arrive in the armed police closed off the road, a lot of confusion from the local residents as to what exactly had gone wrong. than from the local residents as to what exactly had gone wrong.— exactly had gone wrong. an air ambulance _ exactly had gone wrong. an air ambulance arrived _ exactly had gone wrong. an air ambulance arrived in _ exactly had gone wrong. an air ambulance arrived in the - exactly had gone wrong. an air| ambulance arrived in the nearby sports ground, paramedics tried for almost 2.5 hours to save his life. butjust before 3pm, essex police confirmed that he had died at the scene. early into the investigation, it became clear it was a premeditated attack. l it became clear it was a premeditated attack. it became clear it was a remeditated attack. ~ ., , premeditated attack. i think for us robabl premeditated attack. i think for us probably within — premeditated attack. i think for us probably within the _ premeditated attack. i think for us probably within the first _ premeditated attack. i think for us probably within the first hour - premeditated attack. i think for us probably within the first hour we l probably within the first hour we were aware it was a potential terrorist act. mi were aware it was a potential terrorist act.— terrorist act. ali was pictured several times _ terrorist act. ali was pictured several times on _ terrorist act. ali was pictured several times on cctv - terrorist act. ali was pictured several times on cctv as - terrorist act. ali was pictured several times on cctv as hel terrorist act. ali was pictured - several times on cctv as he made his way calmly to leigh on sea from his home in north london. on the tube and in the street he was surrounded