LYON, France — Waiting for a coach at a motorway rest area at the first light of dawn can be quite dull, but for Bernard Lapostolle, it served a bigger purpose: Stopping the latest tech revolution.

French officials insisted Wednesday that there was no reason to halt the country's rollout of next-generation 5G mobile telecom networks, following a barrage of criticism from environmental and ...

The debate flared after some 70 lawmakers signed an open letter last weekend urging a moratorium on new 5G antennas, ahead of a key auction of radio frequencies for faster networks this month. Paris: ...