Melbourne police investigating the disappearance of Irish woman Jill Meagher have arrested a man.

BBC: Man police want to talk to

The mother of the murdered Irish woman Jill Meagher has thanked people in Melbourne for their support.

BBC: Jill Meagher's mother thanks Melbourne public for support

Adrian Ernest Bayley, 41, has admitted murdering 29-year-old Jill Meagher on 22 September last year at Brunswick in Melbourne.

BBC: Jill Meagher: Man pleads guilty to Irish woman's murder

In 2012, Australia was horrified by the disappearance of Jill Meagher on her way home from a work function.

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Melbourne police have released CCTV images of Irish woman Jill Meagher, taken minutes before her disappearance in the early hours of Saturday.

BBC: Jill Meagher disappearance: Melbourne CCTV footage shown

Jill Meagher, who is originally from Drogheda, was last seen leaving a bar in Melbourne at about 01:30 local time in the early hours of Saturday.

BBC: Jill Meagher

"A few weeks after Jill Meagher was murdered a crowd of about 30, 000 people marched through the inner city district of Brunswick, in Melbourne, to remember Jill Meagher and also to highlight the broader concerns about violence against women, " he said.

BBC: Jill Meagher: Man pleads guilty to Irish woman's murder