poisoning

Authorities’ conflicting explanations fuel speculation of a cover-up

Experts say the phenomenon is mostly myth - but not entirely

Tests on infant foods in UK supermarkets discovered almost a quarter broke EU safety rules

Officials investigating possible attempt on US president’s life

Police say nerve agent used in Salisbury and Amesbury could remain active for half a century

Police say two people who collapsed in Wiltshire this week were exposed to the poison

Authorities in Germany looking at previous deaths in company after suspect spotted sprinkling toxic powder over colleague’s food