Consortium Zenith Construction Sdn Bhd (CZCSB) senior executive director Zarul Ahmad Mohd Zulkifli testified he suffered immense pressure following a corruption investigation of the RM6.3 billion Penang Undersea Tunnel project.

The 23rd prosecution witness today however said the Malay spirit that burned within him allowed him to weather the difficulties to regain his success as an entrepreneur.

Zarul, whose company CZC was...