"This will be the case, the only real guarantor of Ukraine's territorial integrity within its current borders could be Russia - Putin."It follows on from news on Tuesday morning, when reports came in that an oil storage tank had exploded near Kursk city in the Bryansk region of Russia.When asked how the drone strikes by reporters, Mr Peskov said: "Of course, the line openly declared by the Ukrainian regime to continue such terrorist acts is a danger factor."The attacks took place at the Engels-2 and Dyagilevo airbases in Saratov and Ryazan, which caused two aircrafts to be damagedUkraine has also not claimed responsibility for the attack, however, a senior Ukrainian official spoke to the New York Times and said the drone attack had been launched from Ukraine's territory.More from Daily Express- EU accused of behaving like the 'mafia' after Czech Prime Minister asked to return £8.6mDaily Express- Frances McDormand HOWLS during Oscars 2021 acceptance speech in honour of late friendDaily Express- Royal jewellery hand-me-downs: Stunning jewels Queen has generously loaned worth millionsDaily Express"