Rumors about an attack on the Russian airbase Khmeimin, Syria – initial analysis (UPDATED)

Rumors are starting to flow about an alleged attack on the Russian Aerospace Forces airbase in Khmeimin Syria.  I have been parsing the Russian news sources and here is what I can say so far: an attack did indeed take place it was  a combined multiple rocket launcher and mortar attack the rockets were all intercepted and destroyed the mortars did land and inflict damage the original report was based