An Arizona man has died and his wife also ended up in hospital after they ingested chloroquine phosphate - an aquarium cleaning product similar to drugs that have been named by President Trump as potential treatments for coronavirus infection.The couple, in their 60s, experienced immediate distress after swallowing the drug, an additive used at aquariums to clean fish tanks, according to Banner Health Hospital in Phoenix.The couple were rushed to hospital but the man – who is believed to have suffered a heart attack –couldn't be revived while the woman was able to throw up most of the chemical.Chloroquine phosphate shares the same active ingredient as malaria drugs that President Trump has touted as possibly effective against COVID-19, the