A hippopotamus walks along a flooded street in Tbilisi, Georgia, June 14, 2015.

A man gestures to a hippopotamus at a flooded street in Tbilisi, Georgia, June 14, 2015.

A handout picture provided by the Georgian Prime Minister's press office shows a runaway bear sitting on the window of the second floor of a building on the flooded street in Tbilisi, Georgia, June 14, 2015.

A bear tries to save itself from a flooded zoo area in Tbilisi, Georgia, June 14, 2015.

A hippopotamus walks across a flooded street in Tbilisi, Gerogia, June 14, 2015.

People follow a hippopotamus that has been shot with a tranquilizer dart after it escaped from a flooded zoo in Tbilisi, Georgia, June 14, 2015.

People help a hippopotamus escape from a flooded zoo in Tbilisi, Georgia, June 14, 2015.

People help a hippopotamus escape from a flooded zoo in Tbilisi, Georgia, June 14, 2015.

A man tries to save a bird from a flooded zoo in Tbilisi, Georgia, June 14, 2015.