> Plasticine action on your tshirt got arrests.

And then released when the mistake came to light. Not 'disappeared'.

The whole mess around the proscribed group is awful and seems like a massive overreaction - sure, you do not mess with a country's defence infrastructure. But the appropriate thing to do is arrest those involved and charge them with specific crimes, not misuse anti-terror legislation.

But lets not pretend people are being taken off the streets and made to disappear as they do in autocratic nations.