European shares extend losses on Greek concerns
* Pan-European FTSEurofirst 300 index falls 0.3 pct
* Greek shares down 2.1 pct, Greek banks fall 4.3 pct
* Hennes & Mauritz slips after warning on dollar
By Atul Prakash
LONDON, June 25 (Reuters) - European shares extended losses on Thursday as concerns that Greece could be edging closer to a debt default prompted investors to cut their exposure to risk.
As a deadline for a deal draws near, euro zone finance ministers accused Athens of refusing to compromise, while a senior official of Greece's ruling Syriza party dismissed reform proposals from creditors as "blackmail".
EU leaders will hold a summit on the Greek crisis in Brussels on Thursday.
"Hopes of a quick resolution for Greece seem to be fading," Philippe Gijsels, head of research at BNP Paribas Fortis Global Markets, said. "Where a quick deal seemed to be within reach only a couple of days ago, talks once again seem to be stuck."
Greece's benchmark ATG share index fell 2.1 percent. The country's banking index dropped 4.3 percent, with National Bank of Greece, Alpha Bank and Bank of Piraeus falling 3.5 to 5.3 percent. Continuación...