If your life is in danger, call the police at 110

Tokyo Metropolitan Police (English-Speaking)

Website offers information in various languages on how to act in an emergency
03-3501-0110
English Hours: 08:30 - 17:15
Days of Service: Monday-Friday, After hours, call 110 and ask for “tsuyaku” -translator
Languages Spoken: Assistance in 13 languages including English, French, German, Spanish, Korean and Tagalog (times are limited)