WATCH: Brave 11-year-old boy treks 900km to safety

An 11-year-old boy walked a tremendous 900km across Ukraine to Slovakia alone to escape the violence.

WATCH: Woman plays piano for the last time in bombed out apartment

Hassan Pisecka walked all the way from his home in southeastern Ukraine with just a plastic bag, passport, and telephone number on his hand.

The boy has since been reunited with his mother, dog, and disabled grandmother after volunteers at the border phoned the number on his hand.

WATCH: Horrifying video as woman’s pet python attacks her

Hassan's mother gave a tearful thanks, saying: "I am grateful you have saved my child's life. Next to my town is a nuclear power plant that the Russians are shooting at. I couldn't leave my mother; she can't move on her own. People with a big heart live in your small country."

Image: Ministerstvo v nutra SR