Zak Crawley hits maiden fifty before South Africa fight back

*Johannesburg:* Zak Crawley's maiden Test half-century gave England a solid foundation before South Africa struck back on the first day of the fourth and final Test at the Wanderers Stadium on Friday. Holding an unbeatable 2-1 series lead, England were 192 for four when bad light ended a rain-shortened day. England's youthful...