German services trade union Verdi is calling out ground staff at Munich airport on a token strike next week in support of demands for a considerable pay rise, following a successful strike by Lufthansa ground staff two weeks ago. The five-hour strike on Wednesday is to target Swissport Losch, a company providing ground, hospitality and cargo handling services. Munich airport predicted there could be cancellations and delays, as the provider services a range of airlines aimed at the leisure and holiday market. It advised passengers to contact their travel agents. Verdi is demanding a substantia…