Soldiers stand guard outside the National Cricket Stadium in Karachi. AFP
Pakistan's Mohammad Rizwan is bowled by Sri Lanka's Lahiru Kumara during the first day of the second Test at the National Cricket Stadium in Karachi on Thursday. AFP
Sri Lanka celebrate the dismissal of Pakistan's Shan Masood, right, during the first day of the second Test in Karachi. AFP
Pakistan captain Azhar Ali clean bowled by Sri Lanka quick Vishwa Fernando in Karachi on Thursday. AP
Sri Lanka's wicketkeeper Niroshan Dickwella makes a successful lbw appeal against Pakistan's Haris Sohail in Karachi. AFP
Sri Lanka wicketkeeper Niroshan Dickwella stumps Pakistan batsman Babar Azam off the bowling of Lasith Embuldeniya in the Karachi Test on Thursday. AP
Sri Lanka pacer Lahiru Kumara picked up four wickets on the first day of the second Test against Pakistan in Karachi. AFP
Sri Lanka's Lahiru Kumara celebrates after taking the wicket of Pakistan's Asad Shafiq at the National Cricket Stadium in Karachi. AFP
Pakistan's Asad Shafiq after his dismissal during the first day of the second Test in Karachi. AFP
Sri Lanka's Lahiru Kumara celebrates after taking the wicket of Pakistan's Yasir Shah in Karachi. AFP
Sri Lanka pacer Vishwa Fernando took two wickets on the first day of the second Test in Karachi. AFP
Pakistan's Abid Ali after his dismissal in Karachi. AFP
Soldiers stand guard outside the National Cricket Stadium in Karachi. AFP
Pakistan's Mohammad Rizwan is bowled by Sri Lanka's Lahiru Kumara during the first day of the second Test at the National Cricket Stadium in Karachi on Thursday. AFP
Sri Lanka celebrate the dismissal of Pakistan's Shan Masood, right, during the first day of the second Test in Karachi. AFP
Pakistan captain Azhar Ali clean bowled by Sri Lanka quick Vishwa Fernando in Karachi on Thursday. AP
Sri Lanka's wicketkeeper Niroshan Dickwella makes a successful lbw appeal against Pakistan's Haris Sohail in Karachi. AFP
Sri Lanka wicketkeeper Niroshan Dickwella stumps Pakistan batsman Babar Azam off the bowling of Lasith Embuldeniya in the Karachi Test on Thursday. AP
Sri Lanka pacer Lahiru Kumara picked up four wickets on the first day of the second Test against Pakistan in Karachi. AFP
Sri Lanka's Lahiru Kumara celebrates after taking the wicket of Pakistan's Asad Shafiq at the National Cricket Stadium in Karachi. AFP
Pakistan's Asad Shafiq after his dismissal during the first day of the second Test in Karachi. AFP
Sri Lanka's Lahiru Kumara celebrates after taking the wicket of Pakistan's Yasir Shah in Karachi. AFP
Sri Lanka pacer Vishwa Fernando took two wickets on the first day of the second Test in Karachi. AFP
Pakistan's Abid Ali after his dismissal in Karachi. AFP
Soldiers stand guard outside the National Cricket Stadium in Karachi. AFP
