There has been international condemnation following the latest violence in Syria after government troops cracked down on protesters.
United States president Barack Obama said he was horrified by what he described as the Syrian govenment's brutality against innocent people and promised to work to isolate President Bashar al-Assad.
Security forces killed dozens in the city of Hama on Sunday, the BBC reports.
The government said troops were sent to Hama to remove barricades erected by the protesters.
Germany has formally requested the United Nations Security Council to discuss the Syrian government's offensive against demonstrators.
The move is likely to reopen bitter divisions within the council, which has not yet been able to agree on even a statement on Mr Assad's four-month-old crackdown against opponents.
Turkey said it was deeply sad and disappointed by the developments on the eve of Ramadan.