You must immediately report such an incident to the Identity and Passport Service (IPS), to avoid the misuse of your passport by somebody else.
- What is an emergency travel document?
- What if my passport expires while I am abroad? Will I be permitted back into the UK?
- Can someone else take the relevant documents to the passport office on my behalf?
- I need a passport urgently. Is it possible to get it within a week?
- What to do in case of a stolen/lost passport?