Salma (35) and her 18-year-old son were allegedly murdered by her neighbour Wasim and his four accomplices due to a personal enmity, police said.
Narrating the incident the police said, on January 11 Sabnam, one of accused, had asked Salma to come to a beauty parlor in Shastri Nagar area of Ghaziabad.
"As Sabnam happened to be her friend, Salma along with her son Alam reached the spot. The duo were then taken to Mahendra Enclave area where they were stabbed to death by Wasim, Aarif, Shanne, Sabnam and Azar.
The accused were arrested from Shastri Nagar area yesterday and have confessed to the crime, police said.
"Wasim told the police he had hatched a plan to kill Salma due to personal enmity, as she had registered a case against him," the officer said.