Arsene Wenger is determined to bring in a defensive player this month - even if there are pitfalls in the transfer market.
The club have made enquiries about potential targets and Wenger insists he and his team will work hard to reinforce the first-team squad.
"It's a market that is very restricted, that players who can strengthen the best 10 teams in Europe, you don't find many and it's the same for everybody," said Wenger.
"We are a big attraction, of course we are, but if it was easy we would do it [straight away].
"Of course we have made enquiries and then you have a second handicap of who wants to sell their best players, especially a central defender, in the middle of the season.
"They say, 'OK, come back in June or July and maybe yes'. We can [cope] but we have now lost Debuchy, who could play centre back… Gibbs as well has been out, of course if we have another injury or two we will struggle. It's risky. It's too risky."
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