Raheem Sterling's daughter has been the target of 'abhorrent' language on Twitter. John Powell/Liverpool FC/Getty Images

Merseyside Police are investigating Twitter threats made against Raheem Sterling's three-year-old daughter.

The messages came on Sunday as Sterling completed a move £49million move to Manchester City after months of rebuffing contract offers from Liverpool.

A police spokesperson called the language used "abhorrent."

"We are taking the incident extremely seriously and an investigation by detectives in Liverpool CID is on-going," he said.

Some of the tweets, many of which have been deleted, included racist comments as well, according to the BBC.

"People who use the internet to target others and who commit criminal offences such as harassment or hate crime are not beyond the law and can expect to be brought to justice," the spokesperson said.