Islamabad, Feb. 18 -- Saudi Arabia's powerful Crown Prince Mohammed bin Salman began his four-day regional visit on Sunday, arriving in Pakistan where Saudi officials signed agreements worth $20 billion to help the Islamic nation overcome its financial crisis.

Prime Minister Imran Khan and top government and military officials greeted him at Islamabad's airport, where he received a 21-gun salute. Earlier, Pakistan Air Force jets escorted Prince Mohammad's flight when he entered the country's airspace.

At the airport, a young boy and girl in traditional Pakistani dress handed the prince flowers. He was greeted by a host of Pakistani Cabinet ministers and the country's powerful army chief, Gen. Qamar Javed Bajwa.

Khan himself drove the p...