 In the north, Colonel-General Semyon Bogdanov's 2nd Guards Tank Army was bogged down just south of Siemensstadt.Colonel-General Vasily Kuznetsov's 3rd Shock Army had bypassed the Humboldthain flak tower (leaving it to follow-up forces), and had reached the north of the Tiergarten and Prenzlauerberg.On the morning of 27 April, the Soviets continued the assault with a heavy bombardment of the inner city.