India, Nov. 1 -- Police in Dallas say four people are dead and 15 are injured following separate shootings in a Dallas neighbourhood. Police Chief Daniel Comeaux said police are still trying to determine if the shootings in the Deep Ellum neighbourhood were related. It was among several violent incidents nationwide on Halloween weekend.

Comeaux said three separate shootings occurred and it wasn't immediately known why they started. Comeaux said some arrests were made, but he didn't specify how many or what charges were involved.

"This is a really big scene. It's spread out," Comeaux said. "We are interviewing some individuals right now that we have arrested, still trying to figure out exactly how it ties into all the shootings out here....