The contractor for Penang undersea tunnel Consortium Zenith Construction (CZC) Sdn Bhd has denied a series of allegations on graft posted on Malaysia Today, a political blog run by Raja Petra Kamaruddin.

CZC senior executive director Zarul Ahmad Zulkifli described Raja Petra's postings as a "series of nefarious posts" on the road projects and undersea tunnel linking the island to mainland Butterworth as part of the Penang Transport Master Plan...