U.S. President Donald Trump speaks to reporters as he departs for Baltimore, Maryland from the South Lawn of the White House in Washington U.S., September 12, 2019. REUTERS/Kevin Lamarque

DUBAI (Reuters) - U.S. President Donald Trump told Saudi Arabia’s crown prince that Washington was ready to cooperate with the kingdom to protect its security, following drone attacks on Saudi oil plants on Saturday, state news agency SPA reported.

Trump also told Crown Prince Mohammed bin Salman in a call that assaults on Saudi oil facilities had a negative impact on the U.S. and global economies, SPA said in an Arabic-language statement.