DALLAS (Reuters) - R&B singer Rihanna cut short a Dallas concert on Friday after a fire broke out near the stage, the artist said in a post on Twitter, and video of the incident showed sparks falling down from above. DALLAS We set the stage on FYAH TONIGHT LITERALLY Rihanna wrote on Twitter. I was havin so much fun wit yall too I gotta come back man Heading into a production meeting to find out exactly what happened, she later wrote, saying she was glad her fans were safe and promising to come back. Videos posted on YouTube of the incident showed a light above the stage appear to catch fire, sending sparks spraying down toward the stage at the American Airlines Center in Dallas. Spokesmen for the Dallas police and fire departments could not immediately be reached for comment. Representatives for Rihanna were also not immediately available for comment.