• In Iraq, our reporter traveled with soldiers, documenting in a photo essay their clashes with the last Islamic State militants holding out among civilians in Mosul. [The New York Times]

• In the United States, drug overdose deaths have skyrocketed, becoming the No. 1 killer of Americans under 50. “Heroin is the devil’s drug,” said a 24-year-old who is struggling to stay clean. [The New York Times]

• The first round of overseas voting in France’s legislative elections showed the party of Emmanuel Macron, the president, ahead. French voters at home go to the polls on Sunday, and a week later in the second round. [France 24]

• Montenegro, once a stronghold of pro-Russian sentiment in the Balkans, officially joined NATO. [Associated Press]

• Our Jerusalem bureau chief looks at how Israel is struggling to deal with the legacy of its stunning victory in the six days of war 50 years ago. [The New York Times]