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Online abuse: banning anonymous social media accounts is not the answer
By Harry T. Dyer
CCTV of suspected Islamist terrorist Ali Harbi Ali just hours before murder of Sir David Amess
By Glen Keogh, Rebecca Camber & Martin Robinson
Suspect in fatal stabbing of British MP detained under terrorism act
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Can Online Safety Bill tackle social media abuse of MPs?
By Jennifer Scott
Fatal stabbing of British lawmaker David Amess called terrorist incident by UK police
By Jo Shelley, Nic Robertson & Rob Picheta
British lawmaker stabbed to death in 'terrorist incident'
By Andrew Couldridge & Gerhard Mey
British lawmaker dies after stabbing: Live updates
By Melissa Macaya, Melissa Mahtani & Aditi Sangal
David Amess: MP’s killing declared a terrorist incident
By Vikram Dodd, Peter Walker & Matthew Weaver
The Observer view on the killing of Sir David Amess
By Observer Editorial
David Amess died in terror attack: MP was killed in murder 'linked to Islamist extremism', say Met
By Rebecca Camber, Arthur Martin & Katie Feehan
Southend Tory MP David Amess dies after being stabbed multiple times by knifeman
By Dan Sales, Martin Robinson & Katie Feehan