Train services disrupted by a series of fires on French high-speed rail lines are slowly resuming, hours before the Paris Olympics opening ceremony<br /><br />Rail company SNCF says it's a "massive attack aimed at paralysing the network"; France's transport minister condemns the "co-ordinated malicious acts"<br /><br />Some 800,000 customers will be affected with disruption expected all weekend, the rail firm says<br /><br />One in four Eurostar services across its entire network will be cancelled until Monday<br /><br />For BBC Sport's build-up to the Olympics, follow our separate live coverage here
