Lissie Harper, the widow of Pc Andrew Harper, says she has had a "positive" talk with Home Secretary Priti Patel over introducing a new sentencing law.

Mrs Harper is campaigning for a new law under which those who kill emergency workers are jailed for life.

Mrs Harper, whose 28-year-old husband was killed when he and a Thames Valley police colleague responded to a late-night burglary in Berkshire last August, has already secured 500,000 signatures for her campaign petition.

All three of Pc Harper's killers were acquitted of murder but sentenced for manslaughter after the officer was dragged to his death by their car as they fled the burglary scene.

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