(Reuters) – Egypt’s opposition called for nationwide protests against a constitution backed by President Mohamed Mursi, after a vote exposed deep divisions that could undermine his efforts to build consensus for tough economic measures.

The Islamist leader won a 57 percent “yes” vote for the constitution in a first round of a referendum at the weekend, according to state media, a margin that was less than his party had hoped for and which is likely to embolden the opposition.

The second round, due to be held on Saturday, is expected to give another “yes” as voting will be in districts seen as even more sympathetic towards Islamists, which would mean the constitution should be approved.

Read the full story here.