Life sentence for the jealous killer

A bitter ex-boyfriend who stabbed an architecture student to death three weeks after she dumped him and started going out with a new man has been jailed for at least 20 years. Grzegorz Kosiec, 22, slashed Karolina Chwiluk 25 times during a frenzied knife rampage at his cousin’s two-bedroom flat in Dora Street, Limehouse, east London. The Polish labourer turned the blade on his cousin Monica Fijak, 42, and her daughter’s boyfriend David Czerwiwski, 24, when they desperately tried to…