The PCB said in a statement that the two received immediate first aid and were placed under the care of the board's medical team.

The series, comprising three ODIs and five T20Is, is scheduled to begin on April 18, with all eight matches to be played at the National Stadium in Karachi.

Both Maroof and Fatima had featured in Pakistan's last ODI series, in New Zealand in December, where Maroof had scored 89 runs in three innings with a best of 68 in a consolation win in the third game. Fatima, with six wickets, was the leading wicket-taker on either side.