s line from berlin a wartime gerlach shuts down a modern city experts with nerves of steel detonated an unexploded world war two bomb in the heart of berlin but not before thousands of people are forced to clear the area and the city's main railway station is brought to a standstill also coming up students across the u.s. and walk out of class to mark the nineteenth anniversary of the columbine high school massacre i'll ask our washington correspondent of lawmakers are paying any attention to their demands for gun control legislation plus the end of a sporting era premier league soccer club arsenal announced the departure of coach arson thing at the end of the season he's been in charge for over two decades. her rock thank you so much for your company everyone. germany's capital was brought to a standstill today by this a massive world war two bomb experts were able to use the bomb but the operation forced the shutdown of a large part of the city center in the seven decades after the war's end germany still finds more than two thousand tons of unexploded wartime ordinances every year