A knifeman has been jailed after repeatedly stabbing someone within a few hundred metres of Newark’s police station. Newark officers had to provide emergency first-aid in the station’s car park to a man after he was stabbed by Connor Kelsall. The 26-year-old attacker pulled out a knife and used it while having an argument with a man he knew. Within a few seconds of a fight breaking out between the pair, Kelsall completely lost control and launched a frenzied attack on the victim. The man was stabbed at least six times during the assault, which happened in an area between blocks of flats in Lov…