Discussions are underway to sell Twitter to US billionaire Elon Musk, and the deal could be finalized as soon as this week

This comes in a dramatic turn of events just 10 days after the billionaire revealed his $43 billion offer to buy the company.

The two sides met on Sunday; To discuss Musk's proposal, they were making progress even though there were still issues to be resolved, sources familiar with the matter told The Wall Street Journal.

Despite the progress that has been made, there is no guarantee that they will reach an agreement,' the newspaper said.