Thomas Docherty (above) is calling for Lockhart to be expelled from the Scottish Labour Party

The Scottish Labour leader, Richard Leonard, is under pressure to move against a councillor who accused Britain’s leading Jewish newspapers of acting as agents for the Israeli secret service to keep Jeremy Corbyn out of Downing Street.

Mary Lockhart, a Labour councillor in Fife, provoked outrage after posting remarks on Facebook when three Jewish newspapers published a joint front-page article condemning Labour over anti-semitism.

Leonard has not commented, but last night a senior party figure described it as “a major test” for the Scottish Labour leader, who “must be seen to take action”. Former Dunfermline Labour MP Thomas Docherty (pictured) has written to Labour’s Scottish secretary Brian Roy calling for Lockhart to be expelled.

The Fife councillor challenged the articles, saying: “If it is a