The European commission president, Jean-Claude Juncker, lost his balance several times, and had difficulty walking, ahead of a gala dinner at the Brussels meeting on Wednesday.

The European commission president, Jean-Claude Juncker, had difficulty going up a few stairs, and even walking, appearing unsteady and even losing  his balance on several occasions during a NATO summit  in Brussels The presidents of Finland and Ukraine, among others, helped steady him. Juncker has admitted that he suffers from  sciatica, an illness which sometimes affects his movements.