“We were taking a stroll in Shevchenko Park, which is in the centre of Kharkiv. It was a really nice warm, sunny day. People were sitting outside chatting and drinking coffees.”
Shaun Walker, the Guardian’s central and eastern Europe correspondent, was walking around a park in Kharkiv, Ukraine, when he heard an explosion in the distance.
“When you looked around at all the people, you could just…