A British and Iranian citizen with dual citizenship has been detained on suspicion of plotting a terrorist attack near a US Air Force base in the UK.

A British and Iranian citizen with dual citizenship was detained on suspicion of preparing a terrorist attack at the British Fairford base, located in Gloucestershire and used by the US Air Force. The 25-year-old man became the sixth suspect detained as part of the investigation into the incident, Sky News reports.

“The investigation into the events in Gloucestershire is extremely complex and our specialist teams are investigating many leads. As we have already made clear, we are considering all possible options, including possible foreign intervention,” said senior police counter-terrorism co-ordinator Vicky Evans.