The Red Bull driver secured pole position during a frenetic qualifying session at the Red Bull Ring, which was overshadowed by a spate of track limit penalties.
But nearly two hours after the chequered flag, the FIA stewards announced that Verstappen was under investigation for an incident with Magnussen.
According to a short statement issued by the FIA, Verstappen is alleged to have held up Magnussen at Turn 1 during the first segment of qualifying.
More to follow
Source: Autosport