Police and other law enforcers conducted a joint operation in Saddar area and nabbed Usman Khan, who is a dentist by profession.
According to sources, the arrested militant-cum-doctor has revealed the connections with the main characters of the Safoora incident. He was the facilitator in the deadly bus attack.
Read more: Safoora attack: Saad Aziz’s Road to Radicalization
At least 43 people were killed and 13 others wounded on Wednesday when armed men opened fire inside a bus carrying members of the Ismaili community near Safoora Chowk in Karachi.
The suspect has reportedly confessed to assisting the central accused Saad Azeez and his colleagues.
Read: Eyewitnesses identify suspects Saad Aziz, Tahir Hussain in deadly bus attack
Sources told that he was dispatching extortion money to the al-Qaeda collected from various areas of the city.