Has Google switched off location settings in Search Tools?

The 1st thing I do when searching is use Search Tools to set my location (generally set it to UK)

This overrides  Google using your Internet address when displaying results, or I should say, it did override your Internet address.

This morning it doesn't matter where I set my location to Google is still using my Internet address.

Have Google switched off location settings in Search Tools or is something broken?

Note: doing the same thing on IE, Chrome and FF whether signed in to Google or not.

Update: 28/05/15 - All appears to be back to normal now
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