Expansion work on the Panama Canal has been suspended as negotiations between the Spanish company leading the works and the waterway's authority broke down.<br /><br />Scheduled to be completed next year, the project has been bedevilled by disputes over costs.<br /><br />Negotiations over who should pay an extra $1.6bn for over-runs, has put the project and up to 10,000 jobs at risk, the Spanish firm Sacyr said on Wednesday.<br /><br />Al Jazeera's Alessandro Rampietti reports.