A "firing incident" inside a military station in the border state of Punjab in northern India killed four people, the Indian army said on Wednesday.

The incident took place at 4:35 a.m. (2305 GMT), a statement from the army said, adding that search operations were underway.

The area was cordoned off, the army said, and that further details of the incident were being ascertained.

(Reporting by Krishn Kaushik; writing by Shilpa Jamkhandikar Editing by Christian Schmollinger and Shri Navaratnam)