A Downing Street spokesperson said:
The Prime Minister and King Salman held talks on a wide range of subjects, including security and strengthening ties between businesses in Saudi Arabia and the UK. The Prime Minister pointed out that security relationships between the 2 countries had saved many lives in the UK.
They also discussed working together to address the humanitarian situation in Yemen.
During the meeting at the Royal Palace, King Salman awarded the Prime Minister the Order of King Abdulaziz. The Saudi Arabian Order of Merit was established in 1971 by King Faisal.
The honour has in the past been awarded to other heads of state or government, including President Obama, Prime Minister Abe, and Prime Minister Modi.
Read about the Prime Minister’s visit to Saudi Arabia and Jordan.