Four men have pleaded guilty to destroying four Jewish community ambulances in an arson attack causing about £1m of damage.Hamza ⁠Iqbal, 20, Rehan Khan, 19, and Judex Atshatshi and Saif Ali, both 18, admitted to a charge of destroying or damaging property being reckless whether life would be endangered.Atshatshi, Khan and Iqbal entered their pleas by video link from Wandsworth and Pentonville jails, with Ali in the dock of the Old Bailey.Four ambulances belonging to the Jewish volunteer emergency service Hatzola were set on fire on the morning of 23 March while they were parked near a synagogue in Golders Green, an area of north London that has a large Jewish community. Prosecutors said the attack caused about £1m of damage.Three of the defendants were said to have set fire to the fully stocked vehicles while a fourth waited in a blue Toyota Avensis. The resulting blaze caused gas canisters inside the ambulances to explode and nearby flats and a synagogue were also damaged by the fire.On his arrest on 1 April, Ali threw his mobile phone out of the window, the court was previously told. The defendant, then aged 17, had been in contact with someone in February with a view to buying a blue Toyota Avensis and had done research online about how much ambulances cost.The prosecution had alleged Ali went on to source the Toyota that was used in the attack, with WhatsApp messages between him and a co-defendant relating to the purchase.Hatzola is a Jewish charity established in 1979 and run by volunteers, providing free medical transportation and emergency response to Jewish and non-Jewish people in north London.Prosecutors have said they believe the incident was a targeted attack against the Jewish community.