ROUGH CUT (NO REPORTER NARRATION)<br/> <br />At least 21 people have been killed and 29 injured in a bus crash in Turkey's central Anatolian city of Kayseri, the private Dogan news agency reported on Thursday (January 23).<br/> <br />The report said the driver lost control of the vehicle while driving on a snow-covered highway.<br/> <br />The bus tipped onto its side and swerved into the opposite lane, before tumbling off the road.<br/> <br />On Thursday morning, emergency workers tried to pull the vehicle upright again, as the bodies of some of the passengers lay nearby.<br/> <br />An investigation is underway to determine the cause of the accident.