'Terrorists' coming to Japan?

Mainichi Daily News

After the man began to run away, four male passengers, including two police officers who were on their way to work, chased him for some 50 meters before tackling him on the platform. He fell unconscious shortly afterwards, and later died. (Mainichi)

Were the four male passengers over-zealous in an attempt to prove their feminist credentials? If only japanese police officers could be this 'efficient' in tackling the mafia!