By London correspondent Tony Hughes

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Arsenal are set to complete their first signing of the January window after Mohamed Elneny missed training with his club Basle.

Elneny has agreed the terms of a four-and-a-half-year contract with Arsenal worth £65,000-a-week and the Gunners’ bid of £5.2million has been accepted by Basle.

He underwent a medical in Paris last week and is now set to move permanently from Switzerland to London after being left out of Basle’s training session on Tuesday morning.

“Absent was Mohamed Elneny, for who there could be a transfer in the coming days,” a statement on the Basle website read on Tuesday.

An Arsenal source told Football Insider that the proposed transfer to Arsenal is now ’99 per cent done’, with the only remaining hurdle to the deal being formalised is that the 23-year-old Egyptian must wait for clearance on a work permit.

All parties are confident this is a formality as Elneny, who has won 40 caps for the Egypt national team, is a regular for club and country.

Manager Arsene Wenger has said that he will be “busy, that’s for sure” in the January window, although he does not expect to make more than two signings.

Wenger has moved to strengthen his midfield after Arsenal won three of their four Premier League matches either side of the Christmas break to lead the Premier League table.

Green light: Wenger has sanctioned a £5.2million bid for Elneny

Green light: Wenger has sanctioned a £5.2million bid for Elneny

Wenger has sanctioned an early move for a central midfielder after long-term injuries robbed him of the services of first-choice pair Francis Coquelin and Santi Cazorla until at least March and possibly longer.

With Mathieu Flamini and Mikel Arteta out of contract next summer, and Jack Wilshere still absent through injury, Wenger has given the green light to land Elneny.

Elneny fits the bill  for Arsenal because of his pedigree, ability to play in a number of midfield positions and relatively good value.

He joined Basle, initially on loan, in January 2013 and has won three consecutive Swiss league titles with the club.