Nicky Reilly from King Street, Plymouth, has been under treatment in the Royal Devon and Exeter Hospital since he was injured in the blast in Exeter on Thursday.

He suffered eye and facial injuries when the device partially went off in the Giraffe restaurant at lunchtime.

Two other devices were found nearby said police.

Reilly, who had been under police guard in hospital, was now in custody somewhere in the Devon and Cornwall force area police said.

He can now be formally questioned about the Exeter blast.

Reilly, arrested under the Terrorism Act, can be held for 28 days.

Two men seized by police at gunpoint in Plymouth on Friday lunchtime are still being held.

One man was arrested, and another was helping with inquiries said police.