UK border authorities 'are intimidating human rights workers'

Baraa Shiban, a respected human rights activist who works in Yemen as a project co-ordinator for the London-based legal charity Reprieve and was travelling to London to speak at an event, said he was held for an hour on Monday night and questioned about his work and political views.

He was detained under schedule 7 to the Terrorism Act, the same legislation used last month at Heathrow to detain David Miranda, the partner of Glenn Greenwald, the Guardian journalist who has written about mass internet surveillance by the US National Security Agency and Britain's GCHQ.