There has been an explosion at the US Embassy in Montenegro, the government says.
An unidentified attacker threw an explosive device into the embassy compound in the capital Podgorica, before killing himself, it tweeted.
At 00:30, in front of the @USEmbassyMNE building in #Podgorica, #Montenegro an unknown person committed suicide with an explosive device. Immediately before, that person threw an explosive device from the intersection near the Sport Center into the US Embassy compound. (1 of 2)
— Govt. of Montenegro (@MeGovernment) February 22, 2018
It said the device thrown was likely a hand grenade. No other injuries have been reported.
The US embassy earlier issued a security alert, advising citizens to stay away from the mission.
The explosion is reported to have taken place at midnight local time on Wednesday.
Police are investigating the incident and who might have been behind it.