The arrest was made this morning (April 4) at Westminster Magistrates Court during the hearing of three other suspects in relation to the ongoing investigation.
The attack happened around 1.30am on March 23 and saw four ambulances from Hatzola, a volunteer-led ambulance service operating in Golders Green, set alight.
Our sister site London Now reported that a Met Police spokesperson said that officers recognised the 19-year-old man as being involved with the attack during the court hearing.
He was arrested for arson with intent to endanger life and taken into custody.
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Hamza Iqbal, 20, and Rehan Khan, 19, both from Leyton, and a 17-year-old boy from Walthamstow, were charged yesterday (April 3) with arson being reckless as to whether life would be endangered contrary to Section 1(2) – Criminal Damage Act 1971.
After the hearing this morning they were remanded in custody to appear at the Old Bailey on April 24.
The three suspects were arrested on Wednesday, (April 1) at different locations in east London and officers from Counter Terrorism Policing London have carried out searches at these addresses.
Two other men were also previously arrested on March 25, and they have both been released on bail to a date in late-April, pending further enquiries.
