Massachusetts Institute of Technology police chief John DiFava said Boston Marathon bombing suspect Dzhokhar Tsarnaev was a "punk" who showed no remorse in court.
The police chief added that he wants the death penalty if Tsarnaev is found guilty, according to the Boston Herald.
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Labour leader will put support for public ownership at the centre of the party's campaign for May's local elections in England.
Scientists are researching a blood test which can quickly detect colon, lung, breast, stomach and endometrial cancer.
Transport bosses are said to be in "active discussions" with the company to encourage it to extend its pilot scheme to the UK's capital.