4 dead, 15 injured in 3 separate shootings in Dallas, Texas on Halloween night, police say

Dozens of people were injured and at least six people died in mass shootings as gun violence broke out at nightlife districts in half a dozen cities across the country over the Halloween weekend. Police in Dallas, the site of the deadliest violence, said four people were dead and 15 are injured following a handful of shootings in a Dallas neighbourhood, a centre of music, restaurants and nightlife in the city. Police in college towns such as Fayetteville, Arkansas; Birmingham, Alabama; and...