HONG KONG (AP) — The Chinese government’s move to open an antitrust probe into Google is the latest development in a long and tangled relationship that goes back to the early 2000s.

China has launched an antitrust investigation into Google as part of a salvo of responses to US tariff increases, including its own retaliatory tariffs and export controls. China’s State Administration for Market Regulation announced the Google probe on Tuesday over suspicions the US search giant had violated Chinese antimonopoly laws,