1.   In a statement , U.S.Ambassador Michael Southwick called on authorities to apprehend the assailants.

2.   No one was injured and the assailant was apprehended, police said.

3.   Police failed to apprehend the assailants in any of the attacks.

4.   Police officials said the assailants were not apprehended.

5.   Reporters saw numerous roadblocks manned by police and military police just outside Yerevan, where all cars were stopped and checked in an attempt to apprehend the assailant.

6.   Swedish police have not yet apprehended the assailants, despite releasing the names and photographs of two suspects.