Google said Monday it was updating its mobile Gmail app for Android device users to allow them to manage multiple email accounts from a single program.
US Secretary of State John Kerry saidhe and his global counterparts were going to work deep into the night seeking to resolve the remaining "tricky issues".
Yahoo told US regulators that it will spend another $2 billion buying back shares as the pioneering US Internet search firm continues an effort to re-invent itself.
Nineteen people were hurt when three New York buildings collapsed and a blaze tore through another in what preliminary indications suggested was a gas-related explosion.