Officials said a 56-year-old man was opening a storage shed when the explosion occurred. He suffered critical burns in the blast. Subscribe to WBAL on YouTube now for more: http://bit.ly/1oJSRCN Get more Baltimore news: http://wbaltv.com Like us: http://facebook.com/wbaltv11 Follow us: https://twitter.com/wbaltv11 Google+: https://plus.google.com/+wbaltv11