Blast hits US embassy grounds in Ukrainian capital, no casualties – police

‘An unknown assailant threw an explosive device into the US diplomatic mission’s premises in Kiev on Thursday night, police reported, adding that no one was hurt. Police said they are treating the incident as a suspected terrorist attack.
The explosion took place at 12:05am local time on Thursday, according to a Kiev police statement. Police immediately dispatched a rapid response unit to the embassy premises.
An investigation has been launched into a suspected terrorist attack. There are no immediate reports on damages inflicted to the embassy premises.’
Source