Samsung Heir Lee Jae-Yong Arrested In South Korea
The case is linked to a scandal that led to the impeachment of President Park Geun-hye.
Samsung is accused of giving donations to non-profit foundations operated by Choi Soon-sil, a friend of Ms Park, in exchange for government favours.
Mr Lee and the Samsung Group deny any wrongdoing.
The acting Samsung chief was first questioned by prosecutors in January, but they decided then not to arrest him.
But he was questioned for a second time earlier this week.
On Friday, the court said it "acknowledged that it is necessary to arrest [Lee Jae-Yong] in light of a newly added criminal charge and new evidence."
The prosecution will now investigate further, and has 20 days to file formal charges. The arrest does not reflect a court opinion on guilt or innocence but only means it considers the potential crime very serious or that it assumes a flight risk.
17th February 2017