What happened to Serene Branson?

 Serene Branson, an experienced reporter with KCBS in Los Angeles, attempted to speak on air last night after the Grammys when she had what appears - or at least what some initial news reports have suggested - to have been a stroke. She was taken to the hospital after this, per one report - others said she was checked by EMT and went home; the station does not yet have a statement on her condition - or that I'm aware of. Here's the clip...