Former British leader Tony Blair warned of economic chaos if Prime Minister David Cameron were to win the upcoming elections.
By joining the election campaign in this way, Blair is trying to contribute his "charisma", which helped him win elections three times as Labor leader, reports AP.
Observers, however, warn that his inclusion could also have negative consequences for Labour, as the former prime minister's reputation has been seriously tarnished by the unpopular decision to intervene in Iraq.
Addressing the public from his former constituency in Sedgefield, Blair pointed out that Cameron's intention to hold a referendum on the EU could result in job insecurity and the unpredictability of the British economy.
"I passionately believe that leaving Europe would leave Britain diminished in the world," Blair said.
Blair's first appearance in a series that should improve his Labor colleague Ed Miliband's prospects for electoral success, however, took place within strict limits, so he and Miliband did not appear together on this occasion.
Blair's involvement in the campaign was immediately characterized by British conservatives as "a sign of weakness and hopelessness."
Blair rejected these criticisms, pointing out that it was only a matter of Miliband, "whom he supports 100 percent", was busy campaigning in another part of the country.
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