The planned 250-foot-tall arch would obstruct views and block sunlight to the US political clan’s graves, according to a new lawsuit

Nine members of the Kennedy family have sued to stop US President Donald Trump’s plans to build an enormous triumphal arch near the iconic Arlington National Cemetery outside Washington, arguing that it would cast a shadow over their family graves.

They say the planned 250-foot (76-meter) tall monument would “permanently cast a shadow” over former US President John F. Kennedy’s grave and other family burial sites, according to court documents filed on Tuesday.

“The Arch will also obstruct the clear sightline of the Kennedy Gravesites and the John F. Kennedy Eternal Flame, in Arlington National Cemetery, from the Arlington Memorial Bridge, destroying an essential element of the Gravesites’ design,” the plaintiffs argue in their complaint.

The relatives include children and grandchildren of JFK’s brothers Robert F. Kennedy and Edward Kennedy.…