New Delhi, May 10 -- Prince Harry was caught on a doorbell camera. He was knocking on random houses in London while trying to find a friend's home.

This came as a surprise to many as he earlier said in court that he felt unsafe without armed security. He visited at least three houses before finding the correct one. The residents found it strange, especially for someone concerned about safety.

One housekeeper opened the door but didn't recognise him until neighbours started talking. People in the area were surprised when they realised it was the Duke of Sussex.

A local told The Sun that Prince Harry had even knocked on homes far apart on the same street. It hinted that he didn't know the address.

The doorbell image showed Harry wearing...