Japan's Dentsu evacuates Tokyo headquarters after bomb threat

TOKYO (Reuters) - Japan's largest advertising agency, Dentsu Group Corp , has evacuated its Tokyo headquarters after getting a bomb threat, an internal company email reviewed by Reuters showed on Friday.The company, in an email to employees, cited a message sent to its website, saying: "Warning of explosion at Dentsu's Shiodome headquarters building with deadline past 7:00 a.m. on June 7, Sunday."Dentsu did not immediately respond to a request for comment. Entry to the building was forbidden..