NBC News correspondent Ayman Moyeldin, reporting from the Israel-Gaza conflict in July, 2014.
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Ayman Mohyeldin will take your questions on the Paris attacks

Europe remains on edge after police in Belgium, France and Germany arrested more than two dozen suspects with links to Islamic terrorists early Friday morning in sweeping anti-terror raids.

It appears to be part of a coordinated effort by European officials to ramp up security measures and avert potential threats in the wake of the deadly French terror attacks last week at a Jewish store and satirical newspaper Charlie Hebdo, which left 17 dead.

NBC News foreign correspondent Ayman Mohyeldin has been covering the developing investigation and counter-terrorism operations. He will host a Twitter chat to answer your questions.

The chat begins Friday at 1 p.m. ET. Just tweet your questions with #msnbcchat.