Pro-Palestinian protesters blocked morning traffic around Los Angeles International Airport and New York’s John F. Kennedy International Airport — two of the nation’s busiest — in coast-to-coast demonstrations that ended with dozens of arrests.

Thirty-six people were taken into custody at LAX, where demonstrators became unruly, the Los Angeles Police Department said.

“Protesters threw a police officer to the ground, used construction debris, road signs, tree branches and blocks of concrete to obstruct” a road leading into the airport “while attacking uninvolved passersby in their vehicles,” police said in a statement.

Across the country, the Port Authority Police Department of New York said 26 people were arrested for disorderly conduct and impeding vehicular traffic during a protest along the Van Wyck Expressway inside JFK Airport in Queens.