Former world number one Caroline Wozniacki made an angry exit from the French Open on Saturday and demanded Roland Garros adopt line judging technology in common with the three other Grand Slams.

Wozniacki slumped to a 6-1, 6-7 (3/7), 6-3 loss to Estonian 23rd seed Kaia Kanepi in a stormy third round clash which ended in fading light.

England were bracing for a fresh wave of gloomy medical bulletins here Sunday after a victorious Euro 2012 send-off against Belgium was soured by injury concerns surrounding Gary Cahill and John Terry.

After a demoralizing week which saw Gareth Barry and Frank Lampard sidelined for the tournament, England had hoped to draw a line under their rising casualty list with a confidence-building performance against the Belgians.

Some love it, some hate it, others are not quite sure what to make of it - but all agree that Twitter is on the march among tennis professionals.

Serena Williams is a frequent user of the social media platform as is Caroline Wozniacki, but the world's best paid sportswoman Maria Sharapova has little time for it.

Franck Ribery will have an integral part to play for France at Euro 2012, as "Les Bleus" seek to erase the painful memories of an inept display at the last World Cup in South Africa.

This past season saw 29-year-old Ribery enjoy his best campaign since joining Bayern Munich from Marseille in 2007 but the winger has struggled desperately to replicate his club form on the international stage.

The Boston Celtics, buoyed by a return to their home floor, jumped to a big lead and held on to beat Miami 101-91 on Friday and narrow the gap on the Heat in the NBA Eastern Conference Finals.

Kevin Garnett scored 24 points with 11 rebounds, Paul Pierce added 23 and Rajon Rondo chipped in with 21 as the Celtics narrowed the gap in the best-of-seven series to 2-1 after dropping the first two games in Miami.

South Korea's Park Tae-Hwan won the 100m and 400m freestyles Friday at the Santa Clara Grand Prix swimming meeting, taking his gold tally to three in two days.

Park, who opened the meeting on Thursday with a victory in the 800m freestyle, surged to the lead in the final 25 meters to win the 100m free in 48.85sec.

Cyber-minded fans heading to Euro 2012 in Poland are set to find life easier at the championship after organizers launched smartphone applications to help them navigate their way around.

The free Polish Guide and Check-in Poland apps, rolled out on Friday, were billed as a landmark by Marcin Herra, boss of PL.2012, the body supervising Poland's preparations for the tournament, which kicks off next Friday.

The Lebanese interior ministry allowed Lebanese fans to attend Lebanon’s FIFA World Cup qualifier against Qatar in Beirut on Sunday, after an earlier government decision to hold the game without spectators.

The game is scheduled to be held at the Camille Chamoun stadium in Beirut on Sunday.

Cristiano Ronaldo and nine other Portuguese international players were subjected to random doping tests at their Obidos training camp Friday, local press reported.

The tests were carried out by anti-doping officials from European football's ruling body UEFA.

Brendan Rodgers was appointed the new manager of Liverpool on Friday, the Premier League club announced, after joining from Swansea.

The 39-year-old Northern Irishman succeeds Anfield great Kenny Dalglish, who was sacked last month after his second spell in charge ended with Liverpool finishing the season a massive 37 points behind champions Manchester City.