The violence was terrifyingly similar to vehicle attacks carried out in Europe, where Islamic State supporters have used cars and trucks to strike pedestrians in crowded streets, a tactic that has been employed in France, Britain, Germany, Sweden and Spain.
The US has charged Ahmad Khan Rahami with planting bombs in New York and New Jersey.
A huge fire has engulfed a Serbian Orthodox Church in downtown Manhattan, on the day that Orthodox Christians are celebrating the Holy Easter.