Kylie Minogue has announced she alerted police after she being targeted by an online stalker.

The singer took to Twitter to tell her fans, who she calls lovers, about it.

She wrote: "I love 1,033,861 of you LOVERS, but 1 is not a lover, just a deluded weirdo making threats #andthatdoesnotmakeyouspecial SO..police alerted".

The Australian is celebrating 25 years since she released her debut single with a series of re-recordings of her greatest hits.

The star, who shot to fame in TV soap Neighbours, picked up an OBE in 2008 in recognition of a pop career that has seen her sell millions of albums and singles and transform herself from a manufactured pop singer into a glamorous disco diva.

She was diagnosed with breast cancer in 2005 and underwent surgery and chemotherapy to beat the disease, before being given the all-clear the following year.