Goodyear Tire Chief Executive Rich Kramer said on Thursday the company had clarified its policy to make clear that its employees can wear apparel expressing support for law enforcement after it faced a boycott call from US President Donald Trump.

Goodyear tyres are seen on the presidential limo known as "The Beast" as US President Donald Trump arrives for a nearby re-election campaign event after landing aboard Air Force One at Wilkes-Barre Scranton International Airport in Avoca, Pennsylvania...