Newcastle United's Director of Football, Joe Kinnear, said:
"The need for us to strengthen up front was a priority and I have been working very hard to secure one of our targets in this position.
"I'm delighted to have secured Loic for the season. Now we have him I'm sure he'll be a huge success for us.
"I know he's hungry for goals and is absolutely committed to helping us achieve success this season."
More top news
With the County Championship starting in April, Sir Ian will make a statement later about his visions for the club.
The next phase in plans to attract more high-tech companies to a leading science parks in County Durham gets underway today.
An 84-year-old woman from the North East has abseiled down Middlesbrough's Transporter Bridge to raise awareness of Fair Trade.