A nation mourns
Russian Prime Minister Vladimir Putin (R) and Polish ambassador to Russia Jerzy Bahr stand next to the coffine of Polish President Lech Kaczynski during farewell ceremony at the airport of Smolensk on April 11, 2010. Russian Prime Minister Vladimir Putin flew back Sunday to the site of Polish president Lech Kaczynski's jet crash for a service to commemorate the victims.The body of Polish President Lech Kaczynski was on Sunday put on a plane to be sent to Warsaw, in the presence of Russian Prime Minister Vladimir Putin, an AFP correspondent reported.ALEXEY NIKOLSKY/AFP / Getty Images
A portrait of late Polish President Lech Kaczynski and his wife Maria stands among candles and flowers left by mourners outside the Presidential Palace on April 11, 2010 in Warsaw, Poland. Kaczynski, his wife Maria and leading members of the Polish military and government were killed when the presidential plane they were travelling in crashed while attempting to land at Smolensk, Russia, the day before. The delegation was on its way to attend memorial services for the thousands of Polish military officers murdered by the Soviets during World War II at Katyn.Sean Gallup
A woman cries in front of the Presidential Palace in Warsaw April 10, 2010. Poland's President Lech Kaczynski, its central bank head and the country's military chief were among 96 people killed when their plane crashed in thick fog on its approach to a Russian airport on Saturday.KACPER PEMPEL
A hearse carrying the coffin of Polish President Lech Kaczynski drives through downtown Warsaw April 11, 2010. Kaczynski's coffin returned home to a stunned nation on Sunday, a day after he and much of the country's political and military elite perished in a plane crash in Russia.STR
REFILE - CORRECTING MOTORCADE TO HEARSEA hearse carrying the coffin of Polish President Lech Kaczynski is driven through down town Warsaw April 11, 2010. President Kaczynski's coffin returned home to a stunned nation on Sunday, a day after he and much of the country's political and military elite perished in a plane crash in Russia.STR
A convoy with the coffin of Poland's late president, Lech Kaczynski, in Warsaw on Sunday, April 11.JANEK SKARZYNSKI
Hundreds gathered outside the presidential palace in Warsaw on Saturday to pay tribute to Polish President Lech Kaczynski, who was killed in a plane crash in Russia.Sean Gallup/Getty Images
Russia's Prime Minister Vladimir Putin (2nd L) and Polands Ambassador to Russia Jerzy Bahr (L) stand near a coffin with Polish President Lech Kaczynski as they attend a farewell ceremony at the Smolensk airport April 11, 2010. Poles were in deep mourning on Sunday after President Lech Kaczynski and many of the country's ruling elite were killed in a plane crash.RIA Novosti
European Parliament President Jerzy Buzek prays in front of Polish President Lech Kaczynski's coffin at the airport in Warsaw April 11, 2010.KACPER PEMPEL
A portrait of late Polish President Lech Kaczynski lies among a sea of candles and flowers laid by mourners outside the Presidential Palace on April 10, 2010 in Warsaw, Poland.Sean Gallup
This image from Polish Television's TVP via APTN shows a firefighter walking near some of the wreckage at the crash site where Polish President Lech Kaczynski, his wife and some of the country's most prominent military and civilian leaders died Saturday April 10, 2010 along with dozens of others when the presidential plane crashed as it came in for a landing in thick fog in near Smolensk in western Russia.The Associated Press
The grounds of the presidential palace were transformed into a memorial, with grieving Poles laying flowers and lighting candles for Mr. Kaczynski and the 96 others who died in the plane crash.Czarek Sokolowski/The Associated Press
The tragedy was felt around the world, and vigils were held throughout the region and beyond. In Hungary's capital, Budapest, a man holds a Polish flag during a sombre, candlelight ceremony for the victims.Karoly Arvai/Reuters
More mourners in Budapest share in Poland's grief.Karoly Arvai/Reuters
A woman prays at a church in Passaic, N.J., after the news broke abroad.Rich Shultz/The Associated Press
Russian rescuers work at the site of Saturday's crash. The cause has yet to be determined, but there was thick fog at Smolensk airport when pilots attempted to land the aging but recently refurbished Tupolev Tu-154.Natalia Kolesnikova/AFP / Getty Images
Russian Prime Minister Vladimir Putin, right, and Emergency Minister Sergei Shoigu tour the scene of the crash. Mr. Putin said he would personally oversee the investigation.Alexei Nikolsky/The Associated Press