A teenager is in intensive care after he drunkenly slid down a glass shopping centre roof and crashed onto stone steps. Jacob Polyakov cracked his head on the floor after plunging off the edge of the SEC 'Globe' centre in Kiev, Ukraine. His friend Jamal Maslow, who fell off the roof first, broke his coccyx after landing on the corner of one of the steps. Witnesses rushed over to the teenagers, both 17, after the accident and found Mr Maslow in huge amounts of pain. Mr Polyakov was unconscious. Pavel Yaremenko was at the shopping centre and said the problems started when the boys began to 'fool around' at the top of the building. The 29-year-old said: 'I don't think they really intended to jump, but their friends were encouraging them so they decided to do it. 'Once they started picking up speed they must have regretted it but it was too late to stop then. A teenager is in intensive care and another has a broken coccyx after they drunkenly slid down a glass shopping centre roof and crashed onto stone steps in Kiev, Ukraine . Jacob Polyakov (orange top) and Jamal Maslow (blue top), both 17, quickly gathered speed and hit the stone steps below the edge of the roof with some speed . Witnesses rushed over to the teenagers, both 17, after the accident and found Mr Maslow in huge amounts of pain. Mr Polyakov was unconscious . 'They really hit the ground fast.' The video was captured by one of the boy's friends. Both Mr Maslow and Mr Polyakov were taken to hospital.
Jacob Polyakov plunged off the SEC 'Globe' centre in Kiev, Ukraine .
17-year-old cracked his head open and is now in intensive care .
Friend Jamal Maslow broke his coccyx after landing on corner of step .