Prosecutors in Italy are reportedly planning to launch a manslaughter investigation after a luxury yacht sank, claiming seven lives. Sky News understands this is standard procedure in complex cases, but more details are expected to be revealed at a news conference in Sicily this morning. Among those killed were Hannah Lynch who became the last passenger to be recovered from Bayesian superyacht on Friday.

Tributes have been paid to the 18-year-old who was travelling on the boat with her father Mike Lynch, a British tech tycoon who also died, and mother Angela Bacares who survived the disaster. Esme Lynch described her younger sister as "endlessly caring, passionately mad, unintentionally hilarious". Meanwhile, a spokesperson for the Lynch family said they were "devastated.

.. in shock.

.. and being comforted and supported by family and friends".

Please use Chrome browser for a more accessible video player The vessel had arrived off the coast of Sicily on Sunday, remaining at anchor 500m from the port of Porticello overnight. The yacht sank at around 5am local time on Monday during a violent storm. Fifteen passengers and crew members made it onto a life raft and were picked up by a nearby boat.

The bodies of the remaining seven people were recovered from the sunken vessel over several days, but that operation had been plagued with difficulties. Vincenzo Zagarola, of the Italian Coastguard, said the dives were not "easy or quick", comparing the yacht to an "18-storey building full.