(Fixes year-ago net income figure)
Aug 2 (Reuters) - Canadian engineering and construction firm SNC Lavalin Group Ltd reported a net loss on Friday, hurt by operating losses in its oil and gas, and infrastructure and environment units.
Net loss for the second quarter was C$37.5 million, or 25 Canadian cents. That compares with a net income of C$31.9 million, or 21 Canadian cents a share during the same year-ago period. (Reporting by Solarina Ho; Editing by Gerald E. McCormick)