KEY POINTS:
Chaminda Vaas took five wickets to bowl Sri Lanka to their first victory in the Caribbean, defeating the West Indies by 121 runs after tea on the final day of the opening cricket test in Georgetown, Guyana.
The home team, set an unlikely target of 437 for victory, slumped from 156 for one to 315 all out.
Out of form captain Chris Gayle, batting at number six instead of his usual opener's spot, hit a defiant 51 not out from 131 balls.
