Police were called to reports of a gunman near a primary school this morning.
A man with a gun was spotted in Little Roke Road, in Kenley, close to Roke Primary School, at about 11.45am.
He drove off in a car before police arrived at the scene.
A Metropolitan Police spokesman said as a result of inquiries into the vehicle two men were stopped by firearms officers outside an address in Peckham this afternoon.
They were arrested on suspicion of possession of a firearm.
They are currently being questioned at a south London police station.
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