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Explosions rocked New York and New Jersey over the weekend, and several suspicious devices were found in both states. Police arrested Ahmad Khan Rahami, 28, the man sought in connection to the bombings, on Monday in Linden, N.J. Here is a guide to what happened where:

Pipe bomb explosion in Seaside Park, N.J. on Sept. 17

A pipe bomb exploded in Seaside Park, a Jersey Shore town, on Saturday at about 9:30 a.m. ahead of a charity 5K race to benefit the Marines and sailors, in which 5,000 runners were expected. No injuries were reported in the incident. Authorities detected a black powder and found a cell phone at the bombing site, the Associated Press reported. Officials said Monday that the Seaside Park explosion was connected to the Manhattan blast and that Rahami was “directly linked” to both explosions.

Explosion in Chelsea on Sept. 17

An explosion in the Chelsea area of Manhattan injured 29 people later Saturday at about 8:30 p.m. Materials recovered from the explosion on West 23rd Street contained residue of Tannerite, an explosive often used for target practice that is readily available in sporting goods stores. The bomb contained shrapnel, and was constructed with pressure cookers, flip phones and Christmas lights, a law enforcement official told the New York Times.

Pressure cooker device found in Manhattan on Sept. 17

A second device consisting of a pressure cooker attached to wiring and a cellphone was found about four blocks away from the Chelsea explosion on West 27th Street, at about 10:30 p.m., police said. Like the bomb that exploded in Chelsea, the pressure-cooker device was filled with the same “fragmentation materials,” including small bearings or metal BBs, according to the Times. New York City police blew up the device in a controlled explosion on Sunday evening, authorities said.

Bag of explosive devices discovered in Elizabeth, N.J. on Sept. 18

Two men discovered five explosive devices in Elizabeth, N.J. inside a bag placed in a trash can on Sunday evening near the New Jersey Transit’s Northeast Corridor rail line. The men told authorities they saw wires and a pipe coming out of the package. One of the devices found in the trash can exploded early Monday at about 1 a.m. while a bomb squad used a robot to try and disarm it. The FBI was working on disarming all the devices, Elizabeth Mayor Christian Bollwage told reporters, saying other explosions were expected.

Ahmad Khan Rahami arrested in Linden, N.J. on Sept. 19

Police arrested Rahami in connection with the bombings in New York and New Jersey on Monday following a shootout in Linden, which injured the suspect and two police officers. New York City Mayor Bill de Blasio told reporters he believed the attacks were “an act of terror.”

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