INDIA, Feb. 18 -- Saudi Arabia and Pakistan on Sunday signed investment deals worth $20 billion to shore up the South Asian nation's ailing economy.

The Crown Prince arrived in Pakistan's capital, Islamabad on Sunday, a day after he was originally scheduled to land. He was greeted by Prime Minister Imran Khan and given a red-carpet welcome with a 21-gun salute.

Prince Mohammed bin Salman was accompanied by a high-powered delegation, including leading businessmen and cabinet ministers.

"It's going to grow every month, every year," Prince Mohammed said of economic cooperation between the two countries. "We believe Pakistan is going to be a very important country in the coming future and we want to be sure we are a part of that," he added....