Mark Williams wins thriller to join John Higgins in world snooker final

• Williams beats Barry Hawkins 17-15 for first world final since 2003
• Higgins beats Kyren Wilson 17-13 for his seventh finalJohn Higgins and Mark Williams will for the first time in their remarkable careers go head to head for the World Snooker Championship title.After coming through to the professional ranks together in the early 1990s, both have tasted glory at the Crucible and enjoyed spells at No 1 in the world rankings. But a World final showdown between two of snooker’s g