US
The attack at Hussaini Madrassa left 22 injured.
MQM supporter, Farhan Ismail, was found dead near Lyari River, Machar Colony.
The arrested man is believed to be a member of the Tehreek-e-Taliban Pakistan (TTP).
Rizvi, CEO of Dhaka Group of Educational Institutions, was in his car near Karimabad when he was attacked.
Syed Allama Baqir Zaidi injured, his guard succumbs to injuries.
Many Hazaras want to seek asylum in Australia, at whatever the cost; 300 Hazara have died trying to get there.
Police recovers arms, explosives from the suspects.
Zulqarnain, nicknamed Prince, was attacked near his shop.
Khawaja Imran Ali was with his son when the attackers opened fire at their car.
Zaheer Abbas was en route on a motorcycle along with his assistant.