Police arrest white supremacist for threatening Walmart attack

A white supremacist has been arrested after he posted a message on Facebook threatening a shooting at a Walmart in Florida, police have said.Richard Clayton, 26, was arrested after making an online threat on Friday, according to police, just days after a gunman stormed a Walmart in El Paso, Texas, killing 22 people. That suspect, Patrick Crusius, reportedly posted an anti-immigrant screed on the online messaging forum 8chan shortly before the mass shooting. Mr Clayton reportedly wrote on Faceboo