A man has been arrested after a gun was fired outside a mosque in east London during Ramadan prayers.
Police were called to reports of a man with a firearm entering the Seven Kings Masjid in Ilford at 22:45 BST on 9 May.
A 28-year-old man was arrested earlier on suspicion of possessing a firearm with intent to cause fear or violence, possession with intent to supply, and assaulting a police officer.
Evidence suggested the weapon was a blank-firing handgun, police said.
Nobody was hurt in the incident. The arrested man remains in custody.