In order to diagnose further we might require further more information including Subscription ID and Log Reports.
Microsoft respects Customer Data Privacy and hence would not recommend you to share the same on public forum.
I suggest you to try Analyzing the Operations History from the Management Portal. It helps you to view Historical Logs of all Create/Update/Delete Operations performed on all Services in Azure
You might want to refer to the below link to know more about Operation Logs
http://blogs.msdn.com/b/azuremobile/archive/2013/11/26/operation-logs.aspx
Hope this helps !
Regards,
Sowmya