London CNN — Britain’s opposition Labour Party, widely expected to win a general election due to be held within months, has lost one of its safest parliamentary seats to a pro-Palestinian former party member in a chaotic by-election. Veteran left-winger George Galloway was elected to represent the constituency of Rochdale by a majority of nearly 6,000 votes, pledging to be a thorn in the side for Labour over the Gaza war. The by-election, a special election held outside of the general election cycle, had attracted particular attention because Labour was forced to withdraw support from its candidate, Azhar Ali, after...