Siliguri, Feb. 7, : Violence broke out in Siliguri during a 24-hour strike called by an outfit demanding autonomy on Saturday.
The indigenous Gorkha people have been demanding a separate state within West Bengal.
Police officials said the situation turned violent in Siliguri when the locals chased armed protesters under the banner of Gorkha Janmukti Morcha (GJM).
The shutdown was called to protest the recent violence on tribal people in the State.
Police officials said 12 people were arrested for inciting violence.