The shop owner is likely to be within their legal rights to do this.

Yes. There should be no problem at all with this:

Possibly, but expect to spend a lot of time in the company of police officers who take a different view.

Photos taken in public places will normally be legally acquired, but what Facebook find acceptable will depend on Facebook's terms and conditions.

Police officers have the power to stop and search anyone under the Terrorism Act 2000 to discover whether he has in his possession anything which may constitute evidence that he is a terrorist.  T

A very commonplace experience is to have security guards run out of a building you are photographing and insist that you cannot because the management do not allow it, because the building is copyr

Press have no special privileges of access in UK, their entitlement to photograph is identical to every other citizen.

Photographing children in public places is, for most children, exactly the same as photographing adults under the same circumstances.

The Serious Organised Crime and Police Act 2005 creates 'designated areas' where  demonstrations or protests are suspended unless prior permission from the Secretary of State has been obtained.