Legislation creating a new offence for planning a terrorist attack comes back to Parliament on Tuesday, after being fast tracked because of the Lynmall attack.
Ahamed Samsudeen was shot dead earlier this month after stabbing eight shoppers, leaving three of them seriously injured.
He'd been under intensive police surveillance for some weeks after being released from prison - he'd been red-flagged by authorities some years before, because of his extreme beliefs.
Here's political editor Jane Patterson.
