Police in Vietnam have summoned a beef noodle seller who filmed himself imitating Nusret Gokce, or "Salt Bae", days after a top Vietnamese official was caught on camera eating gold-encrusted steak at the Turkish celebrity chef's London restaurant.

Bui Tuan Lam, 38, from the central city of Danang, said his intention in making the video, which shows him ceremoniously slicing boiled beef and flamboyantly sprinkling green onions into a bowl of noodle soup, was not to mock any particular individual.

"The video I made was...