Police say the investigation into the attack continues.
The officers were on patrol in the Mount Carmel Heights area when an improvised explosive device exploded near their vehicle.
The officers narrowly cheated injury in the attack.
Assistant Chief Constable Bobby Singleton said a major line of enquiry for detectives was the attack was carried out by the New IRA.
It is understood one of those arrested for questioning was a member of Saoradh, the political wing of the New IRA.
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