The suspects' mother is also suspected of trafficking cannabis with them.
An explosive device was found under a police car securing a rally held for the Turkish president.
A major road bridge connecting Canada and the United States was shut down on Monday to search for possible explosives in a vehicle.
An investigation led by the US Central Command has concluded that Iran was responsible for the attack on the Mercer Street which left two crew members dead; British and Israeli experts concur.
Magen David Adom (MDA) paramedics pronounced the unidentified victim's death on the scene.