() Ukraine's military is "on full combat alert" against a possible Russian invasion, acting President Oleksandr Turchynov has said.
His comments came after pro-Russian gunmen seized more buildings in the country's east.
"T2S is the most challenging program for Latvian securities market ever.
Latvia's "non-citizens" are stateless Russians without passports who are not allowed to vote - despite having lived in Latvia for decades. The flower seller Ineta speaks Latvian; her customer, Alla, replies in Russian. She's also not allowed to work for the police or the fire brigade.
He says he can't understand the criticism from the UN nor the anger of the ethnic Russian minority.
"There are Russians who are very well integrated, and who are very loyal in their support for us," said the member of parliament for the National Alliance.
Following centuries of successive German, Danish, Swedish, and Russian rule, Estonians experienced a national awakening that culminated in independence from the Russian Empire towards the end of World War I on 24 February 1918.
After successful democratic rule from 1918 to 1934, Estonia became increasingly autocratic during the Era of Silence.
"But it can't be right that the Latvians get to tell everyone what language our children are supposed to learn, which festival days are celebrated, and which aren't." If she wanted to become a Latvian, Berezovska would have to pass a language test as well as a history test.
She says she doesn't want to take such a citizenship test, on principle - it would be testing her loyalty to her country.
Ethnic Estonians are a Finnic people, sharing close cultural ties with their northern neighbour, Finland, and the official language, Estonian, is a Finno-Ugric language closely related to Finnish and the Sami languages, and distantly to Hungarian.