English not their strong point...
"I am afraid that we cannot provide you with an ETA at this point. Having this said (sic), once we determine what is the root cause of this and have it resolved, we will provide you with an official statement on the matter."
If I were to send out a company missive, especially one highlighting how the world's on fire, I'd run it by the Comms people in the company.
Anon, just in case I've made some hideous mistake with my own grammar!