ISLAMABAD      -   The Islamabad police yesterday  arrested the son of columnist and  politician Ayaz Ameer on charges  of murdering his Canadian national  wife at his farmhouse located in  Chak Shehzad, sources have said.  The suspect has been identified  as Shahnawaz Ameer (aged 37),  who has been put behind the bars  at the Police Station Shehzad Town,  they said. However, the police so far  has not filed a case against the accused,  the source added. Dead body  of the woman, identified as Sara  Shahnawaz, was moved to Poly Clinic for autopsy.  Teams of forensic experts and  Homicide Investigation Unit  (HIU), under the surveillance of  DIG Operations and SSP Investigation,  visited the crime scene  and collected evidences and  CCTV footages. The police also  confiscated the mobile phones  of the couple, they said.  According to the sources,  Shahnawaz Ameer had contracted  his third marriage with  Sara, a Canadian national of Pakistani  origin, in Abu Dhabi a  few months ago and the newly  married couple was staying in a  farmhouse in Chak Shehzad.  They said a brawl occurred  between the couple early in the  morning after which Shahnawaz  allegedly placed her under severe  torture. “Shahnawaz killed  Sara by battering her with an  iron dumbbell gym in his bedroom,”  they said. Locals alerted  the police patrolling team  after hearing screams of a woman  (Sara) on which the police  rushed to the farmhouse and  held the suspected killer along  with the iron object, he allegedly  used for killing his wife, they  said. DIG Operations Islamabad  Sohail Zafar Chattha told media  men that the police had arrested  the suspect while he was  washing away the blood from  the floor. He said that the suspect  dumped body of his wife in  a bath tub in washroom which  was also taken into custody and  moved to the hospital for postmortem.  He said forensic experts  have collected the evidences  including clothes of the  lady, the iron dumbbell, bloodstained  towel, bed sheets and  mobile phones of the couple  from the crime scene.  He said wound marks were  found on upper parts of the body  of the woman. “Shahnawaz allegedly  killed his wife by hitting  her with gym-dumbbell” he said.  He also said that the accused has  confessed his crime during preliminary  investigation. He said  that the police are trying to contact  the family of the deceased  for registration of FIR on their  complaint. The police investigators  have also approached the  Canadian High Commission in  Islamabad, he said.  On the other hand, columnist  Ayaz Ameer reached the farmhouse  of his son after hearing  the news of murder of his  daughter-in-law.  He, while talking to media  men, expressed his shock over  the incident and said that such  a shocking incident shouldn’t  happen to anyone. “What can I  say? I am in a state of extreme  shock.