A 72-year-old woman has died after being injured at St Boltophs Crescent in Lincoln lived in a quiet residentlal street mainly occupied by other elderly residents.
Officers from Lincolnshire Police are focusing their investigations around a block of maisonettes in the street.
A 38-year-old man is being questioned by police on suspicion of murder.
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It'll be another chilly day with patchy cloud and sunny spells. It will stay dry.
Some isolated wintry showers is possible over the Peak District.
Nottingham Forest fans are angry that a takeover deal has fallen through after weeks of talks.