US military bases across Europe, including Germany, were put on high alert over the weekend due to concerns of a potential terrorist attack. US broadcaster CNN reported that the Pentagon had declared the second-highest security level at the US bases, citing two unnamed government officials. This security level, known as Force Protection Charlie, applies when the Pentagon has received credible intelligence of a potential terrorist attack. “There is credible intel pointing to an attack against US bases over the next week or so,” US broadcaster Fox News quoted a defence official as saying. The Pe…