Border controls between Moldova and Romania will be tightened from this morning, a further indication of the deepening diplomatic row between the two countries.
Moldova says EU member Romania stoked violent anti-government protests after Moldovan Presidential election at the weekend.
Romania’s Prime Minister said this was a provocation and added that he would continue to push for closer links between Moldova and Brussels.
National identity is at the heart of the tensions.
Moldovans are split between those wanting closer ties or even reunification with Romania and those wanting to keep longstanding links with Russia.
Moldova has recently joined the EU’s “Eastern Partnership”, a project establishing close links with ex-Soviet states without granting them full membership.
The international community is urging both sides to remain calm.
Moldova’s Communist leader Vladimir Voronin however says he has expelled Romania’s ambassador and bring in compulsory visas for any Romanians who cross into his country.
The Moldovan capital Chisinau is relatively quiet but the authorities are taking no chances.
Everything is being done to ensure there is no repeat of the violent scenes of the last few days, when one person died and 273 were injured.