. "storm and capture Latvian border posts Mas\u013Cenki" . "attacked the Latvian border guards at Mas\u013Cenki" . . . "an attack" . "Mas\u013Cenki border incident" . "Mas\u013Cenki border incident" . "attack the Latvian border guards at Mas\u013Cenki" . . . . . . "invaded the Russian/Latvian Mas\u013Cenki border point" .