But with the final session of play being lost through bad light, the match looked destined to end in a draw.

The umpires called off play during the tea interval when heavy mist enveloped the stadium. Zimbabwe were then 48 without loss in their second innings.

A total of eight hours and 23 minutes of play has been so far been lost in the first four days of the match.

Yohanna, playing in his seventh test, hit an undefeated 120 before Pakistan declared at 325 for nine in reply Zimbabwe's first innings 183.

SCOREBOARD

Zimbabwe (1st innings): 183

Pakistan (1st innings, overnight 211-5): Saeed Anwar c A Flower b Johnson 75, M Naveed Ashraf b Streak 32, Ijaz Ahmad c Huckle b Johnson 16, Salim Malik run out 2, Yousaf Yohanna not out 120, Hassan Raza c Rennie b Huckle 3, Moin Khan lbw Olanga 25, Wasim Akram c Johnson bOlanga 2, Saqlain Mushtaq b Olanga 0, Shoaib Akhtar b Huckle 11, Waqar Younis not out 24. Extras (lb10, nb5): 15. Total (for nine wickets declared) 325.

Fall Of Wickets: 1-69, 2-121, 3-129, 4-132, 5-147, 6-213, 7-213, 8-215, 9-275.

Bowling: Streak 33-8-75-1, Olanga 25-9-63-3, Mbangwa 24-4-66-0, Johnson 24-2-71-2, Huckle 7-0-40-2.

Zimbabwe (2nd innings): G Rennie batting 16, G Flower batting 17. Extras (lb5, nb10): 15. Total (for no wicket) 48.

Bowling: Akram 6-0-23-0, Akhtar 5-1-15-0, Saqlain 1-0-5-0.