Author and journalist Colm Keane has died aged 70.

Mr Keane, who had been diagnosed with cancer. was the author of 29 books and wrote extensively on near-death experiences, as well as books on St Brigid, St Padre Pio and St Thérèse of Lisieux.

During his 26 years with RTÉ, Mr Keane produced and presented documentaries on a wide range of subjects, including pop music, sport, politics, crime and Irish history.

He co-presented RTÉ Radio 1's first drive-time show with future President Mary McAleese and produced the Pat Kenny Show during Italia ’90.

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He became a full-time author in 2003, writing eight Number 1 Irish bestsellers.

Mr Keane was married to former RTÉ newscaster Una O'Hagan and is predeceased by his son Sean, who died in 2007.