LONDON (Reuters) – Britain’s opposition Labour Party signaled it would continue the current government’s strong support for Ukraine in its war with Russia if it came to power, with its foreign policy spokesperson warning the rest of Europe against complacency. The Labour Party is currently around 20 percentage points ahead of the governing Conservatives in opinion polls ahead of an election expected this year, while February will mark the two-year anniversary of Russia’s full invasion of Ukraine. In a speech on Saturday, Labour’s foreign policy chief David Lammy will reiterate Labour’s desire …