Ms. Ardern also demanded that online platforms like Facebook do a better job of controlling hateful content. Before the attacks, the gunman published a manifesto to message boards popular with white supremacists, and included a link to a page where live video of the shooting later appeared.

Yesterday: The spokesman for the Islamic State ended nearly six months of silence in calling for retaliation over the mosque attacks.

Deutsche Bank’s ties with President Trump

The president and the German financial institution have had a long, symbiotic and, at times, troubled relationship. As investigators in New York and Washington scrutinize their deals, we looked into that history.

Deutsche Bank gave Mr. Trump more than $2 billion in real estate development loans before he was president, despite pushback from some at the bank. Once he was elected, the lender went into damage-control mode, even telling Wall Street employees not to utter the Trump name.