A suspected gang leader considered a "priority target" was among those killed, the Colombian president says.

The 72-year-old is believed to have gone overboard from the Tui ship on Monday as it headed towards the Caribbean.

Tens of thousands of people have been taking part in the strike, called by the country's main unions over housing and the high cost of living.

The 17-year-old's mum has joked that he is "grounded for life" and "never leaving the house again".

The news comes at a turbulent time for President Prabowo, who faces a growing rift with his predecessor Joko Widodo.

Activists wanted the historic liner to be turned into a museum, but it will instead become the world's largest artificial ocean reef.