Under fire in Kharkiv, as Putin's war escalates

This week, an ABC crew was caught up in a Russian artillery attack in Ukraine's second biggest city, Kharkiv. A fresh round of bombing across the country marked the beginning of the next phase of Russian President Vladimir Putin's invasion, with a World War II-style ground offensive in Ukraine's east now underway. Today, Sean Rubinsztein Dunlop on his narrow escape, and why what comes next could be even more brutal than what we've already seen. Featured: Sean Rubinsztein-Dunlop, ABC correspondent, Kharkiv, Ukraine