Kuala Lampur, May 29 -- The war between Ukraine and Russia has entered a dangerous new phase.

What was once viewed as a conflict largely confined to Ukrainian territory is increasingly affecting neighbouring states, particularly Romania, a member of Nato and one of the alliance's frontline countries on the Black Sea.

The latest incident illustrates the growing danger of conflict spillover. A Russian drone involved in an overnight attack on Ukraine struck a residential building in Romania, injuring two civilians.

The attack prompted an immediate response from Bucharest, which summoned the Russian ambassador and denounced what it described as an "irresponsible escalation" by Moscow.

Senior European leaders quickly echoed Romania's conce...