KIEV, Reuters, SEPTEMBER 27, 2017— Massive explosions and a blaze at a military ammunition depot in central Ukraine forced authorities to evacuate 24,000 people and close airspace over the region, officials said on Wednesday.

   Smoke and flames rise over a warehouse storing ammunition for multiple rocket launcher systems at a military base in the town of Kalynivka in Vinnytsia

The blasts occurred late on Tuesday at a military base near Kalynivka in the Vynnytsya region, 270 kilometers (168 miles) west of Kiev, Ukrainian emergencies service said in a statement.

  Thousands evacuated in Ukraine as ammunition depot explodes

One person was injured, it said.

Arriving in the region hours later, Prime Minister Volodymyr Groysman said “external factors” were behind the incident.