The A470 Northbound is closed and there's heavy traffic because of a fallen tree and recovery work between Abercynon Roundabout and Abercanaid Roundabout.
Officers investigating an assault on a 16 year-old girl at Abercynon rail station have released CCTV images of a woman they would like to speak to in connection with the incident.
Investigating officer PC Ian Brinkworth said: "The victim-a 16 year-old girl from Pontypridd- was waiting for a train with her friend when she was approached by a woman, who subsequently subjected her to a series of threats and verbal abuse.
"A few minutes later her train arrived and the victim boarded. However, she was followed by the woman, who forced her way past the train guard and punched the victim to the side of her face before leaving the train just prior to its departure."
The family of a 34-year-old man who died after a collision with a car in Abercynon on Friday has described him as "a much loved partner, father, grandson, son and uncle."
Christopher Griffiths was a tiler by trade, and a former pupil at Mountain Ash Comprehensive School.
His family said: "Everybody is devastated by the news and can’t believe he is gone. He was a much loved and respected member of the Abercynon community and was always the life and soul of the party. His infectious personality won everybody over.”
Officers are appealing for anyone who witnessed the collision, or saw a black Toyota, on Friday night to contact them.
A 22-year-old man has appeared before magistrates, charged with causing death by dangerous driving.
A 27-year-old woman has been charged with assisting an offender.
A 34-year-old man has died in hospital following a road traffic collision in Abercynon yesterday evening.
South Wales Police are appealing for witnesses to the incident, which happened on Margaret Street at around 7.15pm.
A 22-year-old man, who police say is local to the area, has been arrested on suspicion of causing death by dangerous driving.
There is disruption on Arriva Trains Wales between Abercynon South and Merthyr Tydfil due to flooding at Merthyr Vale.
The company says all lines are currently blocked and it does not have an estimate for when a normal service will resume.
Detective Chief Inspector Ceri Hughes of South Wales Police described 63 year-old David Evans as a "gentle and trusting man".
She also paid tribute to Mr Evans' family saying they had shown "tremendous dignity" following this "brutal" murder.
The family of David Evans who was murdered at his home in January say they hope his death will "serve as a warning" to others who meet strangers over the internet.
Richard Evans, Mr Evans’s son, said he was a "gentle and loving father, brother, uncle and grandfather" and the "violent and needless manner" in which he died has "devastated" the family.
On Monday, a teenager from Abercynon, near Pontypridd, was found guilty of murdering the 64-year-old widower in his own home in Pentyrch. Bleddyn King is due to be sentenced on Tuesday.
Mr Evans said his father met King over the internet: "I hope will serve as a warning to others who meet strangers in this way.”
A teenager has pleaded not guilty to the murder of a man whose body was found after a fire at this home in Pentyrch.
Bleddyn King, 19, of Abercynon Road, Abercynon, denied murder in a short hearing at Cardiff Crown Court today.
64 year-old David Evans was found dead by fire fighters who attended a blaze at his house in the village of Pentyrch, on the outskirts of Cardiff in January.
Mr King was remanded in custody and will stand trial at Cardiff Crown Court in October.