htaccess to block a referrer

I am trying to block a specified domain from my website, and haven't been successful.   The visits are coming from this URL: is one of my domains, and visitors are redirected to my other domain ( using .htaccess.   The .htaccess which resides in the root folder of is attached.  Please advise.

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First of all, your:
RewriteEngine On
RewriteBase /

statements should be placed BEFORE the rewrite conditions.

You are also missing the second [NC,OR]

Try this:
#Block traffic from "bad" referrers
RewriteEngine On
RewriteBase /

RewriteCond %{HTTP_REFERER} [NC,OR]
RewriteCond %{HTTP_REFERER} [NC,OR]
RewriteCond %{HTTP_REFERER}
RewriteRule .* - [F]

# redirect entire site to Site-1
RewriteRule ^(.*)$ [R=301,L]

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