Police have taken into custody the family members of suspected terrorist Kifayatullah in Lakki Marwat, 24NewsHD TV channel reported on Sunday.

Kifayatullah was involved in the yesternight attack on the Karachi CPO office which claimed three lives.

The lawmen conducted a thorough search of his house too.  According to his father, the 23-year-old terrorist got training in Afghanistan.

For the last 5 years, he was kept under house arrest. His father said, Kifayat left the home a few months ago and never returned.