Technicians examine the damaged engine of Qantas Airways Airbus A380 passenger plane QF32 after it was forced to make an emergency landing at Changi airport in Singapore on Nov. 4. The aircraft landed safely after experiencing engine trouble in one of the most serious incidents for the world's largest passenger plane in its three years of commercial flight. Australian officials said no one on board was injured. David Loh/Reuters
Qantas Airways flight QF32 is sprayed by rescue services after making an emergency landing at Changi airport in Singapore on Nov. 4. The Airbus A380, which originated in London and was carrying 459 people, experienced failure of one of its four engines shortly after it had left for Sydney. Vivek Prakash/Reuters
Firefighters assist passengers exiting Qantas flight QF32, which made an emergency landing at Singapore's Changi International Airport after having engine problems on Nov. 4. Qantas grounded its Airbus A380 fleet after the giant aircraft blew out an engine, shooting flames and raining large metal chunks before making a safe emergency landing with 459 people aboard. Philip Cook/AP
Crew members from Qantas Airways A380 passenger plane flight QF32 leave the Changi International Airport air terminal in Singapore on Nov. 4 after the aircraft experienced an an engine failure and had to make an emergency landing. Vivek Prakash/Reuters
Damage to the left wing over the number two engine is seen from a window of the Qantas Airways Airbus A380 passenger plane flight QF32 on Nov. 4, which experienced an engine failure after it left Singapore for Sydney, and had to make an emergency landing. Ulf M. Waschbusch/Reuters
Foam remains beneath Qantas Airbus A380 passenger plane flight QF32, which made an emergency landing in Singapore's Changi International Airport after having engine problems on Nov. 4. Philip Cook/AP
Technicians work next to the damaged engine of Qantas Airways Airbus A380 passenger plane flight QF32 after it was forced to make an emergency landing at Changi International Airport in Singapore on Nov. 4. Vivek Prakash/Reuters
Qantas CEO Alan Joyce gives a news conference at the Qantas headquarters in Sydney on Nov. 4. Australian airline Qantas Airways grounded its entire fleet of Airbus A380 aircraft on Thursday after an engine failure forced flight QF32 to make an emergency landing in Singapore. Daniel Munoz/Reuters
A Qantas Airbus A380 taxis after being grounded at Sydney airport on Nov. 4. Qantas Airways suspended flights of its A380 fleet after an engine failure on flight QF32 caused an emergency landing in Singapore. Daniel Munoz/Reuters
Iran and five world powers agreed last week to extend by four months a deadline for reaching a final deal aimed at preventing Iran from acquiring a nuclear bomb. But a yawning gulf still has to be bridged.
Though diplomats from Iran and six world powers are talking up the “substantial progress” that led to an extension of nuclear talks until November, crucial differences still threaten a final deal to ensure Iran can never produce a bomb.