Muslim communities aren't one huge group, they are many sub communities. For example in the U.K., you have Bengali Muslim communities, Pakistani, Somali, Nigerian, Caribbean etc.
To simply say Muslim communities must do something doesn't help the matter as there are so many diverse groups following Islam. The issue for me is number 1, leaders and security services are not doing anywhere near enough to contain the extremists they're aware of
Anjem Choudary is a hate preacher who calls for sharia law in the U.K. He's completely protected by the police and many terror attacks have been linked to him. I believe he has served some prison time for offences but the issue is, every time he's out he does the same thing over again. So what's the Muslim community supposed to do about that ? No one likes the guy and his followers are impressionable young converts who are brainwashed by his speeches
What Muslims can do is monitor the mosques for suspected radicalism, educate the youth about what ISIS really stand for and report any suspicious behaviour
This is quite personal so I'll only touch on the issue but a family member of mine was a victim of radicalism.
He was in university studying Aerospace engineering and was about to complete his final year. At a local mosque he met some friendly guys who were observing Islam, all converts and they encouraged him to take his faith seriously. They brainwashed him into believing it was his duty to kill non Muslims. They told him God would punish him and his family if he didn't go with them to fight the Americans. He started to speak odd, would be verbally abusive to his family and lock himself in his room for hours...
After a year of friendship they convinced him to travel to Turkey , then Syria. He lied to his parents and said he was going on lads holiday to Spain. He got to the border and all the men that were so intent on going to fight the Americans left him in the middle of the border, he was alone and confused. He saw the fighting happening and realised he'd been set up...the men then miraculously traveled back to the UK undetected and he was stranded.
Eventually his family contacted the police and he came back. The police questioned him and were supportive, he had come into contact with a well known terror cell that operate in the U.K. that recruit young men and teens...
Now this is where my skeptisim comes in. This happened to a close family member and what concerns me was the very people that recruited him were never persecuted despite the amounting evidence . Phone calls, messages and emails...the police pretty much swept it all under the carpet. Why is that? Why is it when young men come forward nothing is ever done ? Why was he left at the border and who were these men?