These things are behind a blanket of secrecy, and that is extremely worrying.

I agree that this is an extremely worrying development and a step away from person centred treatment.

This is an extremely worrying development and one which local people will be very concerned about.

Thank you for sending me the details of this extremely worrying case.

All this is taking place, as you have all said, in an extremely worrying economic and social context.

All these things mean that the situation is extremely worrying.

The violence that has followed this military action is extremely worrying.

In that context, the debate about economic protectionism is extremely worrying.

As a result, the situation is going to become extremely worrying.

What is happening in Russia at present is extremely worrying.