Japan marks the 70th anniversary of the end of the Battle of Okinawa, the bloodiest episode in the Pacific War, which killed a quarter of the island's population.
Twenty-six sports, from sumo to surfing, have applied for inclusion in the 2020 Olympics, Tokyo organisers said amid a flaming row over who will pay for the main stadium.
A presidential haiku, sashimi salads and a red carpet awaited Japan's Shinzo Abe at the White House, as Barack Obama offered the prime minister a grand welcome.
Prime Minister Shinzo Abe has said he may not issue a direct apology for Japan's past aggression in an upcoming statement marking the 70th anniversary of the end of World War II.
Japanese tech fans got their first look Friday at the Apple Watch, with would-be early buyers queuing for a "trial fitting" in Tokyo's chic Omotesando area.