Emergency services were alerted to an incident in Cedric Crescent, Thurcroft, and found that Becky had suffered a cardiac arrest during an altercation in the street.
As detectives investigate her murder, here are the key facts known so far.
Residents performed CPR in a desperate battle to revive Becky before paramedics arrived but she could not be saved and was pronounced dead at the scene.
A 39-year-old woman was arrested on suspicion of murder and remains in police custody this afternoon.
A police tent was placed over Becky's body to preserve forensic evidence and a police cordon was erected, which remains in place this afternoon.
Sign up to our daily newsletter
The i newsletter cut through the noise
As residents try to come to terms with the death of the mum-of-two, a card left at the crime scene reads 'taken too soon'.
Becky used to live in a rented house in Peter Street, Thurcroft, but had not lived there for a number of weeks at the time of her death.
Detectives investigating the incident want witnesses or anyone with information to call South Yorkshire Police on 101 or Crimestoppers, on 0800 555111 an quote incident 943 of February13.
Tributes have been paid to Becky on social media, with her aunt describing her as 'beautiful' and a cousin revealing she is 'heartbroken' at the death.