Look at this man.
He is Serhiy Vlasenko, one of Ukraine's incredible rescue workers.

In the early hours today he was called to fight fire in his own house in Kyiv. His own apartment completely destroyed.

Thankfully Serhiy's mother, wife & children aged 5 and 8 months, escaped.

• It is known that this is a very large arsenal - ~264 thousand tons of ammunition at maximum capacity.

• It is assumed that the arsenal stored shells, including rockets, as well as aerial bombs and air defence missiles.

• Explosions to be caused by "a violation of safety regulations."