LISBON, Portugal (AP) — Portugal’s caretaker government plans to expel some 18,000 foreigners living in the country without authorization, a minister said Saturday in the buildup to a national election.Minister of the Presidency António Leitão Amaro said the center-right government will issue approximately 18,000 notifications to people in the country illegally to leave. The minister said officials will begin next week by asking some 4,500 foreigners to leave voluntarily within 20 days.Portugal will hold an early general election on May 18. Prime Minister Luis Montenegro called the snap ballot in March after his minority government led by his conservative Social...