SKOPJE, Macedonia — Macedonia’s main left-wing opposition leader on Wednesday accused the head of the country’s intelligence service of taking a large bribe for a surveillance equipment deal with Israel in 2011.

Zoran Zaev, head of the Social-Democratic Alliance for Macedonia, released illegally recorded conversations he says details how intelligence service head Saso Mijalkov, his aide and an individual from Israel are arranging the money transfer for the bribe. Zaev didn’t specify the amount, but said it involved “many zeroes.”