Police raided the Eid Gah area of Karachi Sunday and arrested three people who later confessed their involvement in the attack, Xinhua reported citing the Dawn.
The accused told police they threw two grenades into the consulate in May, injuring several people.
They revealed to the police about the presence of another accomplice involved in the attack. Police caught the fourth suspect in Gulistan-e-Jauhar area after a gun-battle.
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