KARACHI - Three people, among them a doctor and an MQM supporter, were killed in targeted attacks in the metropolis on Tuesday.A doctor was shot dead near Rehmat Square within the remit of the Iqbal Market Police Station. Identified as Dr Shehzad Naqi, 45, a resident of Baba Walayat area of Orangi Town, the victim was on the way to his clinic in Mustafa Colony on his car, when unidentified gunmen, riding a motorbike, sprayed him with bullets and fled. Naqi was hit by four bullets and was rushed to the Abbasi Shaheed Hospital, where doctors declared him as brought dead. The body was handed over to the heirs. The motive behind the killing could not be ascertained till the filing of this report. In another targeted assault, a supporter of the MQM was killed near Colony Gate. According to officials of the Shah Faisal Colony Police Station, Farhan Siddique, who worked for a private company, was attacked outside his home by a bike-borne duo. Siddique succumbed to his gunshot wounds while being ferried to the Jinnah Postgraduate Medical Centre. The officials further said that the victim had links with MQM workers, but no direct association with the party.Separately, a man, namely Janan Khan, a resident of Niazi Chowk, was killed over personal enmity within the precincts of the Kalri Police Station. He received bullets and died while being shifted to the Civil Hospital for treatment. Investigators said the victim had a dispute with Hafiz Jutt, against whom a murder case had been lodged. They also said that Jutt was a close associate of Lyari gangster Faheem Niazi and was wanted in several criminal cases.Meanwhile, a man - affiliated with the Majlis-e-Wehdat-e-Muslimeen - killed in an anti-US protest on Monday was laid to rest. Raza Ali Taqvi, 42, was wounded among eight others in a skirmish between security personnel and protesters of the MWM. The funeral prayer of the deceased, a resident of Incholi Society, Federal B Area, was offered at Imambargh-e-Khair-ul-Ammal. Scores of MWM workers and relatives of the deceased attended the funeral procession. Later, Taqvi was buried at Wadia-e-Hussain graveyard. The deceased had five children and a spouse.