"A blast wave hit my house" says Nina, a Kyiv resident, drinking tea in the street following an overnight Russian missile strike on the Ukrainian capital. "Everything was covered in glass" she adds, as firefighters work to contain fires still burning in the surrounding buildings. On Thursday, Ukraine's air force said it had shot down 31 missiles targeting Kyiv, an attack that comes after Moscow vowed revenge for Ukrainian strikes on its border regions. IMAGES AND SOUNDBITES