https://phys.org/news/2019-01-nissan-renault-smoother-road-loom-analysts.html

But his shock arrest in Tokyo on charges of financial misconduct immediately drove a wedge between Nissan and Renault, with dark mutterings in Paris of a "coup" orchestrated by CEO Hiroto Saikawa to depose his former mentor and seize more power within the group.

Saikawa himself confessed Thursday that communications had been "a bit difficult" since the arrest, noting that while Nissan had immediately jettisoned Ghosn as chairman, Renault kept him on as they awaited evidence against him.