Wimbledon Tennis Championships begin in London today. This is the 130th edition of the third Grand Slam of the season. World number one Novak Djokovic, Roger Federer, Garbine Muguruza, Angelique Kerber, Simona Halep and Kei Nishikori are among the top players who will be seen in action today.Top seed Serena Williams, who is chasing Steffi Graf's record of 22 Grand Slam titles, will begin her campaign later in the tournament. She has not won a major title since lifting the Wimbledon trophy last year.The world number one pair of Sania Mirza and Martina Hingis in the Women's Doubles, and Leander Paes and Rohan Bopanna, with their team-mates, in the Men's Doubles will also be seen in action in the tournament.