Police in the northern province of Hai Duong said Tuesday they had identified four teenagers who allegedly threw stones into five running cars on a highway.
The police said the four boys, aged 14-16, had admitted to the act after being summoned by the police for questioning.
The boy said they gathered and threw stones into the cars last Friday evening “just for fun,” according to the police.
Between 8:30 p.m. and 10 p.m. on May 13, the boys reportedly stood on street barriers on Hanoi-Hai Phong Highway’s section through Hai Duong’s Binh Giang District and threw stones at five cars, damaging the windows, mirrors and other parts of the vehicles.
The police said they are still investigating the case.
Stone throwing has recently been a scary experience to passengers traveling across central Vietnam and provinces to the east of Ho Chi Minh City.
The vandals, most of them teenagers, used to target trains, but have turned to buses after operators installed iron nets to protect train windows.