Washington, DC Metro riders will be delayed again on Friday after a “fireball” erupted on the tracks today.

Security camera footage showed a training pulling out of the Federal Center station, and only moments later, there was a huge burst of fire.

Fireball at Federal CenterSecurity cameras capture the fireball that erupted at Federal Center Metro station this morning as the result of an arcing insulator. The station will be closed until tomorrow. FULL COVERAGE: http://nbc4dc.com/b7vbPx7

Posted by NBC Washington on Thursday, May 5, 2016

NBC Washington reports the “fireball” was the result of an “arcing insulator.” No passengers appeared to be close by.

The station will be closed on Friday.