KABUL – Eager to overcome a bout of bickering, U.S. Secretary of State John Kerry and Afghan President Hamid Karzai made a show of unusual unity between their two nations on Monday. The friendly display came as the U.S. military ceded control of its last detention facility in Afghanistan, ending a longstanding irritant in relations....

HAWTHORNE, Nev. – A mortar shell explosion killed at least seven U.S. Marines and injured several more during mountain warfare training in the Nevada desert, prompting the Defence Department to halt the use of the weapons worldwide until an investigation can determine their safety, officials said Tuesday. The explosion occurred Monday night at the Hawthorne...