Yet, Kyiv has not taken responsibility for the incident, and it remains uncertain if the explosion resulted from a missile or drone attack. According to MailOnline, the Kyiv-based

Volodymyr Zelensky said that Kyiv has had secured “significant results” on its missile programme aimed at providing its own security from Vladimir Putin's threat

Ukrainian President Volodymyr Zelensky has shown off the new weapon - known as the Long Neptune - in a video, saying it had been "successfully used in combat"