RIYADH: Cairo-based Orascom Construction has inked a $8.7 billion deal with Siemens Mobility to expand high-speed rail network to 2,000 km, up from 660 km, completed in the project’s first phase. Upon the completion of the project’s second phase, the high-speed rail system will be the sixth largest in the world, according to a statement. Orascom Construction’s total share of