It was just after midnight. Iryna Stetsenko had finished doing her nails for her wedding, opened the balcony door and was battling her nerves to get to sleep. In a nearby apartment packed with guests, her fiancé Serhiy Lobanov was asleep on a mattress in the kitchen. Then a "rumble" disturbed the quiet, says Iryna. "It was as if a lot of planes were flying overhead, everything was humming and the glass in the windows shook." Serhiy says he "felt a shake, as if some kind of wave passed",