Following a break-in on the grounds of Windsor Castle last month, where Prince William, Kate Middleton, and their children, Prince George, Princess Charlotte, and Prince Louis reside, Kensington Palace has refused to comment on the family’s security.

Intruders broke into the grounds of Windsor Castle west of London last month and stole two vehicles, police confirmed Monday.

Prince William and Kate and their three children were reported to be at their nearby home at the time of the break-in.

Thieves broke into the grounds of Windsor Castle and stole two vehicles from royal land, police said, in a major breach of security. The incident took place on Oct. 13 but was first reported on Sunday by British tabloid, The Sun. Thames Valley Police confirmed last month’s theft in a statement to CNN on Monday.

Burglars broke into the grounds of Britain's royal Windsor Castle in October and stole two vehicles from a barn, Thames Valley Police said.