Tuesday's Champions league photos

Real Madrid players attend a training session before their Champions League last 16 first- leg match against CSKA Moscow at the Luzhniki stadium in Moscow
CSKA Moscow 1-1 Real Madrid: Real Madrid's squad train at the Luzhniki stadium in Moscow, ahead of their last-16 Champions League match against CSKA Moscow, who have just resumed their domestic season after a two-month winter break
Real Madrid's Cristiano Ronaldo (right) celebrates after scoring against CSKA Moscow with team-mate Alvaro Arbeloa
Cristiano Ronaldo gives Real Madrid the lead in the first half when CSKA Moscow's Zoran Tosic fails to clear Fabio Coentrao's cross from the left flank and Ronaldo rifles past goalkeeper Sergei Chepchugov with a thumping left-footed shot from inside the box to score his 36th goal in 35 matches
CSKA Moscow's Seydou Doumbia (second left) fights for the ball with Real Madrid's Pepe (right) during their Champions League last 16 match at the Luzhniki stadium in Moscow
Defender Pepe (right) has been solid in defence for Real, making several key challenges to win possession, as CSKA's Seydou Doumbia (left) looks for a way back into this match on their plastic pitch at the Luzhniki stadium
Striker Didier Drogba (right) and Andre Villas-Boas (left) the Chelsea manager speak during a press conference ahead of their last 16 UEFA Champions League match first-leg match against Napoli
Napoli v Chelsea: Striker Didier Drogba gives his support to under-pressure Chelsea manager Andre Villas-Boas, who seems to be in a relaxed mood ahead of his side's match against Napoli at Stadio San Paolo after reiterating this week that he has received full backing from club owner Roman Abramovich
Pontus Wernbloom celebrates scoring CSKA Moscow's equaliser against Real Madrid
CSKA Moscow stun Real deep into injury time at the end of the 90 minutes when they snatch an equaliser through a powerful volley by debutant Swedish midfielder Pontus Wernbloom (right) from close range after Real fail to clear a cross into the area
Chelsea's Ivorian forward Didier Drogba (L) is treated after collidig with Napoli"s Argentine defender Hugo Armando Campagnaro (R) during the Champions League round of 16 first leg football match, Napoli vs Chelsea at San Paolo stadium in Naples
Didier Drogba (ground) is treated after a collision with Napoli's Argentine defender Hugo Armando Campagnaro (right) but both players are soon back on their feet, although Campagnaro needed further treatment off the field before reappearing with a bandage to cover his head wound
Chelsea's Spanish midfielder Juan Mata scores against Napoli
Chelsea take the lead through Spanish midfielder Juan Mata after Napoli captain Paolo Cannavaro fails to clear a cross into the box and Mata pounces to slot home from six yards out. Moments earlier Blues goalkeeper Petr Cech makes a fine save from Uruguayan striker Edinson Cavani to deny the home side the lead
Ezequiel Lavezzi of Napoli shoots past the tackle from Gary Cahill of Chelsea to level the scores at 1-1 in the first half
Napoli level the score after applying pressure on the Chelsea defence and it's their in-form Argentine play-maker Ezequiel Lavezzi who turns past Portugese midfielder Raul Meireles and curls in an effort from the edge of the box and beats Petr Cech who has been in terrific form
Napoli's Uruguayan forward Edinson Roberto Cavani celebrates after scoring
Napoli storm into a 2-1 lead just before half-time when Chelsea's chief tormentor Cavani nods home a cross from midfielder Gokhan Inler from close range which both Gary Cahill and Branislav Ivanović fail to intercept
Ezequiel Lavezzi of Napoli shoots past Petr Cech of Chelsea to score his team's third goal
Napoli now lead 3-1 and once again it's Cavani and Lavezzi who link up to pull the the Chelsea defence apart. Cavani out-muscles David Luiz, squares the ball to Lavezzi and the Argentine finishes the move from 10 yards out