Twitter rolls out stricter rules on abusive content

Posts of symbols or images that might be considered hateful must be marked “sensitive media,” and users are prohibited from abusing or threatening others through their profiles or usernames.

Amtrak train on new route hurtles onto highway, kills 3

An Amtrak train making the first-ever run along a faster new route hurtled off an overpass Monday near Tacoma and spilled some of its cars onto the highway below, killing at least three people, authorities said.

Chicago teen earning gift money killed delivering newspapers

The fatal shooting of a 15-year-old boy slain while delivering newspapers with his stepfather to earn money to buy presents may have been the result of mistaken identity and rooted in an ongoing gang war that didn’t involve him.

Lifesaver or distraction? Police split on anti-overdose drug

The divide over naloxone, the popular overdose antidote, between sheriffs in two hard-hit Ohio counties in one of the hardest-hit states for drug deaths shows just how elusive solutions are on the front lines of the U.S. opioid crisis.

Holiday travel chaos ahead after Atlanta airport outage

The nation’s air-travel system struggled to get back on schedule after a weekend power outage at the Atlanta airport, the world’s busiest, forced the cancellation of over 1,400 flights just days before the start of the Christmas rush.

McCain goes to Arizona for Christmas, will miss tax vote

The 81-year-old senator was admitted last week to Walter Reed Medical Center and treated for a viral infection. A doctor says he is also “responding positively” to ongoing treatment for brain cancer.

Report: US soldier fought to end after ambush in Niger

Army Sgt. La David T. Johnson died in a hail of gunfire, hit as many as 18 times as he took cover in thick brush, fighting to the end after fleeing militants who had just killed three comrades in an October ambush in Niger.

McCain treated for viral infection, returns home to Arizona

Republican Sen. John McCain has returned home to Arizona after being hospitalized for a viral infection while battling brain cancer and will miss a crucial Senate vote on the GOP tax package, his office said Sunday.

Special counsel obtains thousands of Trump transition emails

Special counsel Robert Mueller’s investigation into Russian contacts with President Donald Trump’s campaign has gained access to thousands of emails sent and received by Trump officials before the start of his administration, according to several people familiar with Trump’s transition organization.