The health secretary says the UK - which is not involved in the talks - wants to see a deal that ends Iran's nuclear ambitions.

"We're taking it one step at a time," Declan Holmes said, as his 66-year-old father recovers in hospital.

The birds could be reintroduced as early as next year following a £1m injection from the government.

Event organisers said it would show the "resistance" to the ban on the group was "stronger than ever".

Alnour Mohamed Ali, a 27-year-old Sudanese national, was charged with endangering life after two men and two women died.

A man, 37, is arrested in relation to the incident and remains in custody, police say.