The evacuation area included the Natural History Museum, the BND intelligence agency, a clinic of the Charite Hospital and an army hospital.
United Kingdom bomb, which is now being defused, was found at Heidestrasse street, after which police ordered all the buildings located within a 800-meter (over 2,600 feet) radius of the explosive to be evacuated, Der Tagesspiegel media outlet reported.
Police also went house to house to check the zone has been completely cleared before the bomb disposal experts began their work.
German police experts work during the disposal operations of a bomb dropped during World War II on April 20, 2018 near the Hauptbahnhof main railway station in Berlin's Mitte district.
A Russian-made aerial bomb weighing 100 kilograms was found near a train track leading into Berlin's main station in 2013.
Some 10,000 people have been evacuated from central Berlin so experts can defuse a huge World War Two bomb.
The operation is associated with defusing a bomb. "It depends on how long the evacuation takes and of course the condition of the bomb", police spokesman Martin Halweg told the Tagesspiegel daily. All streets in this area will be closed off. Travel disruption is expected around the area and at the central train station.
Diesel hits another all-time high; petrol prices at 55-month high
To ease the burden from the consumers, the Centre had reduced the excise duty by Rs 2 amid rising fuel price in October, 2017. It's not only the petrol that has hit a new high, diesel price in Mumbai has gone up and has hit an all-time high.
McKayla Maroney Speaks Out on Larry Nassar Abuse
He was sentenced to 60 years in prison on federal child pornography charges and 300 years in prison on the state charges. Wednesday's hearing will focus on how national governing bodies can do better to protect athletes from abuse.
Nadal strolls past Bedene in Monte Carlo, Djokovic passes Coric test
Nadal's victory could have been even more efficient, but he surprisingly dropped his serve in the seventh game of the first set. The most recent meeting was in the 2017 French Open, a match Nadal won in straight sets. "That's the real thing", said Nadal.
Even 73 years after the end of the war, such discoveries remain common in major German cities.
Thousands of unexploded war time bombs still lie beneath cities in Germany.
Shelters have been set up for those affected.
A Deutsche Bahn spokesperson said they were preparing for interruptions to traffic.
Police said a number of WW2 bombs had found in this area earlier too.
Past year some 60,000 people were evacuated from their homes in Frankfurt after a massive bomb dropped by Britain's Royal Air Force was unearthed.