A two-day strike by workers at Munich Airport, Germany’s second-biggest, has started. The airport operator said Thursday that airlines had canceled about 80% of their flights to and from Munich and further cancelations were not ruled out.

Public sector workers and ground staff at Munich Airport will go on a two-day strike starting Thursday after wage negotiations ended without result, the Verdi union said on Monday.

A two-day strike by airport workers, called by the verdi trade union in a public sector wage dispute, has begun at Munich Airport. Airlines have cancelled 80% of scheduled flights for Thursday and Friday,

Germany's Munich and Hamburg airports were hit by strikes by public sector union Verdi on Thursday and Friday, with airlines cancelling about 80% of flights in Munich.