PC Keith Palmer was stabbed to death while trying to stop Khalid Masood getting into Parliament on Wednesday.
In the wake on the incident, Devon and Cornwall Police say there will be more officers on the beat across the region and residents shouldn't be worried but should remain alert and vigilant.
Fourth teenager arrested in Plymouth murder investigation
It's after a body was found in a marina
Man dies in rural Devon crash
Investigations are ongoing
Devon teenager charged with murder
19-year-old Layton Randle to appear at court
Dramatic bedroom window rescue of flood-hit resident
Man and dog evacuated from East Devon home
Storm damage to West Hoe Pier could cost extra £200,000
West Hoe Pier was hit "at most vulnerable" stage
Storm Chandra causes disruption across Devon
School closures and travel chaos across county
