By Ben Blanchard and Faith Hung TAIPEI (Reuters) -Authorities in Taiwan and Bulgaria on Friday denied involvement in the supply chain of thousands of pagers that detonated on Tuesday in Lebanon in a deadly blow to Hezbollah.

Two people from Taiwanese companies were questioned as part of a probe into pagers that exploded while being used by Hezbollah operatives in Lebanon, investigators said Friday, as top officials insisted the devices were not from the island.

The company, Gold Apollo, said it had not manufactured the devices, pointing to another company that it said was licensed to use its brand.