Mikel Arteta says Arsenal's pursuit of January signings is "complicated".
The Gunners were held to a goalless draw by bottom side Burnley on Sunday, making clear their need for fresh attacking options.
When asked if he still hopes for new arrivals before next Monday's transfer deadline, Arteta said: "It was what we planned but the market is difficult and complicated.
"We knew that, but it's a lot to manage. We have to make the right decisions with players we believe are going to really help us and try to bring the ones that can take us to the next level.
"We are certainly trying, but whether we are going to be able to do it, let's see. It's not only about our intention, but a lot of [things] that are needed to happen.
"The players who come here have to take us to the next level. We already have a level and we want to set much better standards than we already have. That's how we want to recruit."
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