This is the first arrest in decades related to the bombings, after six men were wrongfully sentenced to life in prison for the attack but later released.
Thousands of demonstrators, most without masks, had gathered in a tightly packed crowd at the city's Brandenburg Gate, objecting to government measures intended to slow the spread of the coronavirus.
The last four years under President Trump encouraged Europe to be more independent of the U.S. Now that pressure might relax, given the prospect of a friendlier relationship with Washington.
The two Eastern European countries are in a long-running dispute with the European Union over their consolidation of state power and restrictions on free speech and an independent judiciary.
Supporters say the tunnel will reduce noise and hide cars for visitors to the prehistoric landmark. Opponents warn of possible damage to the site which archaeologists continue to study.
The strain found in the minks is the same one found in humans, an agriculture official said, and a breeder at one farm also tested positive. Some 2,500 minks have reportedly been culled already.
Volodymyr Zelenskiy, who announced Monday he'd tested positive for the coronavirus, has been taken to a Kyiv hospital. A spokeswoman says his symptoms are "nothing serious."
Disillusionment with British Prime Minister Johnson's handling of the pandemic and Brexit has driven a majority of Scottish people to consistently support independence for the first time in decades.