The black Range Rover HSE Sport was stolen from Prospect Road, shortly after 9.30pm and driven towards the M25 motorway. Investigating officer PC Chris Kouwenberg said: We are keen for anyone who has any information about this crime to contact us as a matter of urgency. Even the smallest piece of detail can go a long way in helping us to solve the crime. Anyone with information is asked to contact Hertfordshire Police via the non-emergency number 101. Alternatively, contact Crimestoppers anonymously on 0800 555 111.