Israel's wave of strikes against Iran, which began on Thursday night, has continued throughout Friday on sites across the country.
The Iranian foreign minister has called the attacks a "declaration of war".
BBC Verify's Merlyn Thomas has been examining video footage and satellite imagery of the strikes and the damage they've caused.
Produced by Aisha Sembhi. Verification by Shayan Sardarizadeh and Paul Brown. Graphics by Sally Nicholls.