China 's foreign minister says ` ` marathon - like negotiations have reached their final conclusion '' declaration of State John ` : ` ` We are working with a government to get something . '' Potential snags to worry about how quickly sanctions on Iran should be lifted .
China 's foreign minister says `` marathon-like negotiations have reached their final stage '' Secretary of State John Kerry : `` We are working with a view to get something done '' Potential snags to talks include how quickly sanctions on Iran would be lifted .