A suspect has been arrested but the motive remains unclear, police say.
Trump said the latest tariffs would come into effect on 2 April, with charges on businesses importing vehicles starting the next day.
The popular US sitcom is set to return for a four-episode special with one new character.
Speakers stressed the need for greater cohesion within Europe to address external trade pressures and the Ukraine conflict.
The Russian Investigative Committee has launched a criminal investigation
Signal, like many other messaging apps, allows its users to set messages to disappear after a set period of time.
More than 23,000 people have been evacuated and hundreds of structures damaged.
The royal trip had been billed as a "historic visit" during the year of the Papal Jubilee.
It includes Sirajuddin Haqqani who is also the Taliban government's interior minister.