Dr Karim Pouladian-Kari, 45, from Guildford in Surrey, is accused of knowingly attempting to export the electrical switchgear parts in 2009.

BBC: Surrey businessman 'illegally exported parts to Iran'

Crews were called on Monday afternoon after the fire broke out in roof panelling above high-voltage electrical switchgear in the main turbine hall.

BBC: Fire tackled at Didcot Power Station