This is the tweets by Elon Musk on this
"Tks. Turns out we recovered some impact video frames from drone ship. It's kinda begging to be released…"
" Before impact, fins lose power and go hardover. Engines fights to restore, but …"
"Rocket hits hard at ~45 deg angle, smashing legs and engine section"
"Residual fuel and oxygen combine "
"Full RUD (rapid unscheduled disassembly) event. Ship is fine minor repairs. Exciting day!"
"Next rocket landing on drone ship in 2 to 3 weeks w way more hydraulic fluid. At least it shd explode for a diff reason."
https://twitter.com/sacca/status/556107612396457984