President Donald Trump's administration agreed to permit the sale and possession of devices that let gun enthusiasts convert semiautomatic rifles into weapons that can shoot as fast as machine guns.

The man, his daughter and their domestic helper were arrested. They are aged between 26 and 53. Police found R1 rifles, R4 rifles, R5 rifles, AK-47 rifles and about 300 handguns. Detonators, a machine ...