Financial markets in Europe see big falls as Greece closes its banks and restricted cash withdrawals.
The European Commission chief, Jean-Claude Juncker, attacks the Greek government, saying he feels "betrayed" by "egotism" and "populism" in the failed debt talks.
Business lobby group the CBI appoints Carolyn Fairbairn - a former member of the Number 10 Policy Unit - as its new director general.
Why Greece is on the brink of capital controls
Tunisia's tourism industry faces crisis
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What has it done and what more does it need to do?
If Greece went, would financial markets look for other targets?
How soon will the US raise rates?
Why the entire eurozone may be threatened by a Greek exit from the euro.