Sri Lanka's Kasun Rajitha celebrates after taking the wicket of Bangladesh's Khaled Ahmed during the fourth and final day of the first Test. Sri Lanka defeated Bangladesh by 328 runs (MUNIR UZ ZAMAN)

Kasun Rajitha claimed his second five-wicket haul in Test cricket as Sri Lanka crushed Bangladesh by 328 runs on Monday in Sylhet to go 1-0 up in the two-match series.