According to officials, a friend and neighbor, Davide Fontana, 43, chopped off the body of the Italian-Dutch performer and stored the fragments in his freezer.
18-year-old Pooja Kumari was shot dead at her home in Sukkur after she resisted abduction by Wahid Lashari - a member of a powerful local tribe who threatened her with forced marriage earlier this month.
Sir Jeremy Fleming, the head of GCHQ, used the rare public speech to say it increasingly looks like Russia's President Vladimir Putin "has massively misjudged the situation" in Ukraine.
Ukraine has sought a ceasefire without compromising on territory or sovereignty, though it has proposed adopting a neutral status in exchange for security guarantees.