A recent push by Renault SA to block a governance overhaul at Nissan has put the two-decade-old Franco-Japanese alliance in jeopardy, posing a headache for Nissan CEO Hiroto Saikawa.

In a fresh blow, two leading proxy advisory firms have also urged Nissan shareholders to vote against re-appointing Saikawa as director at the annual shareholders' meeting at the end of the month.

(Reporting by Chang-Ran Kim; Editing by David Dolan)

Stocks treated in this article : Renault, Nissan Motor Co Ltd