Police in Moscow have detained three people following a mass food poisoning incident that left dozens hospitalized, Russian state media reported Tuesday, citing law enforcement officials. Health officials said Monday that more than 120 people had sought medical help and at least 30 were in intensive care with suspected foodborne botulism, a life-threatening condition that attacks the nervous system and can cause respiratory failure and paralysis. Authorities said the toxic outbreak came from salads distributed by the Kuchnia Na Rayone delivery service, which on Sunday temporarily suspended its…