MOSCOW, April 6. /TASS/. Over 630,000 refugees from Ukraine and Donbass have already arrived in Russia, a law enforcement source told TASS.

"As many as 634,000 people, among them 124,000 children, have so far crossed the Russian border. They include 182,000 Russian nationals, 360,000 DPR and LPR citizens and 91,000 citizens of other countries. Most of them arrived in the Rostov region," the source specified.

Thirty-nine Russian regions have received refugees. A total of 431 temporary accommodation centers have been set up, where nearly 29,000 people are staying, including 11,000 children.