From Barnet Boroughwatch:

Sent on behalf of Barnet Police and must be treated very seriously.

Police are looking to locate the following two vehicles, LT05ZYR  and LE02 UXL which are believed to be involved aggrevated burglaries. Suspects if seen in either of these vehicles must not be approached. Suspects have posed as Postmen and as a driver who has run out of water in their car. If vehicles are seen ring 999.