WASHINGTON, April 24, 2019 (Xinhua) -- Firefighters respond to a gas leak near the White House in Washington D.C., the United States, on April 23, 2019.

CHONGQING, April 24, 2019 (Xinhua) -- The last train runs on the previous Baishatuo Yangtze River railway bridge in Jiangjin of southwest Chinas Chongqing Municipality, April 23, 2019. The previous Baishatuo Yangtze River railway bridge, completed in 1959, will stop service after April 24. All trains will run on the new double decker steel truss cable stay railway bridge after that day. The new bridge has 4 tracks on the upper deck for passenger trains with a designed speed of 200 kilometers per hour and 2 tracks on the lower deck for cargo trains with the designed speed of 120 kilometers per hour.

VLADIVOSTOK, April 24, 2019 (Xinhua) -- Photo taken on April 23, 2019 shows the vintage railway station in Vladivostok, Russia. Russian President Vladimir Putin and the top leader of the Democratic Peoples Republic of Korea (DPRK) Kim Jong Un will meet on Thursday in Russias Far East city of Vladivostok, Kremlin aide Yuri Ushakov said Tuesday.

DAMASCUS, April 24, 2019 (Xinhua) -- Syrians line up to fill their cars up with petrol at a gas station in Damascus, Syria, on April 23, 2019. Tens of truckloads of fuel reached the government areas coming from the Kurdish-held region in northeastern Syria amid acute fuel shortage in the country, a war monitor reported on Tuesday. The fuel crisis is the result of the renewed U.S. sanctions on Syria, which were tightened through the latest set of sanctions imposed on the country in March of 2019.