BBC World News Headlines

Russia nuclear treaty: US warned over threat to scrap deal
Russia threatens retaliation over President Trump's plan to scrap a landmark 1987 nuclear deal.
Taiwan train: Derailment in Yilan County leaves '17 dead'
Authorities say more than 100 others have been injured, amid local reports of people still trapped.
Jamal Khashoggi death: Saudis' explanation challenged
The UK, US and others demand Saudi Arabia explain further the fate of Jamal Khashoggi.
New York witches place hex on Brett Kavanaugh
Across the country, exorcist Father Gary Thomas said a prayer in a bid to counter the hex.
Nigeria's Kaduna state: 55 dead after row at market
A row at a market devolved into deadly violence between Hausa Muslims and Adara Christians.
Afghanistan election: Voters defy violence to cast ballots
Dozens are killed or injured, as the long-awaited elections are extended into a second day.
Top Macau official Zheng Xiaosong dead after fall from building
Beijing said Zheng Xiaosong had been suffering from depression, implying he had killed himself.
Migrant caravan halted by Mexico police on Guatemala border
Thousands of people, many from Honduras, faced Mexican riot police as they tried to cross the border.
US Mega Millions lottery jackpot hits record $1.6bn
The Mega Millions competition hits a record sum after failing to produce a jackpot winner since July.
Selma Blair: Cruel Intentions star reveals MS diagnosis
Selma Blair shared the news in an emotional Instagram post, saying the news was "overwhelming".