In a statement, the Swiss football federation (SFV) mentioned: "The training session scheduled for today has been postponed until tomorrow (Wednesday)."

"Recently, some players have experienced cold-like symptoms. To ensure a quality training experience, the technical staff decided to cancel today’s session and will conduct it tomorrow instead."

Switzerland host Spain in Bern on Friday, with the winner of the quarter-final facing the victor of the match between France and Germany in the semi-finals.

Spain are the current world champions and are striving to win their first European Championship title.