A dish of stir-fried pig’s liver served at a dinner party in Guangzhou, China, poisoned 14 people with what authorities think was an animal feed additive, a Chinese state-run news agency reported. Investigators made 52 arrests in overnight raids in California, Minnesota and Maryland, increasing to more than 750 the number of suspects detained in the coast-to-coast operation to disrupt the Sinaloa cartel, Holder said.