Pakistani police on Sunday have arrested four suspects involved in the May attack on the Saudi Arabia consulate in the country\'s southern port city of Karachi, reported local media DAWN. Earlier on Sunday morning, police in Karachi conducted a raid in the Eid Gah area of Karachi and arrested three suspects who later confessed their attack on the Saudi Arabia consulate in Karachi in May, in which they threw two grenades into the consulate, injuring several people. The suspects also revealed to the police another accomplice involved in the attack. On the tip-off of the three suspects arrested, police caught the fourth suspect in the Gulistan-e- Jauhar area of the city after a shootout. The fourth suspect got injured in the shootout, said police. All the four suspects nabbed belong to a banned outfit named Lashkar-e-Mehdi, police said.