The 58-year-old tycoon was left fighting for his life in hospital after a backpack full of nuts and bolts exploded at the entrance to his lavish apartment building in the principality.

The improvised explosive device containing nuts and bolts went off in the foyer of an apartment block called the Sun's Palace soon after 9.00pm on Monday.

Police hunt fugitive after a rare explosion wounds multimillionaire Vadym Yermolaiev and two others.

Explosion at residence near border with France was ‘very likely an attack’, minister says

Vadym Yermolaiev thought to be among three people injured in blast