Someone jacked my blog name and made my blog disappear in the google search

[Lee J]

result!!?? please help...? I started a new blog last month, and I was able to search it on google. However, I tried to search my blog today and found a shocking thing: my blog has disappear from the google search result totally. Also, instead of my blog, I saw a blog with the same name as mine showed up in the search, and the contents of this blog are copied straightly from my blog.I was very mad, but I do not know what to do.What did this person do to prevent my blog from being searched and displayed by google??What should I do to take my name back and maybe stop this person from continuing doing this??thank you guys so much....a heartbreaking blogger....