Warning after series of car break-ins and criminal damage

The first was a grey 
Hyundai having its rear 
passenger window smashed in Temple Mead, between 8pm on October 28, and 9am the following day.

Another window was smashed, on a silver Ford Focus, between 5.30pm on September 30 , and 8.10am on October 2 in The Chase.

Between midnight on October 1, and 11.55am the following day in The Chase, offenders smashed the window of a blue Vauxhall Meriva and stole a scratchcard.

A sat nav was taken when a window was broken of a blue Ford Fiesta between 10pm on September 30 and 1.15pm on October 1.

There were two more window smashes - a white Ford van in Sunnyhill Road between 3pm on September 30 and 11am on October 2, and a silver Vauxhall Golf in Barnacres Road at 4.30pm on October 2.

And also on October 2, the window of a Citroen Saxo was smashed in The Holt,
 between 12.40-9.15am in The Holt.

Call Herts Police on 101.