Rochester's Mayo Clinic started construction on a $188 million center that utilizes proton beams to treat cancer. Mayo plans to start building another such center in Phoenix in December. Officials don't yet know whether proton beams are more effective than x-rays for treating cancers. There's only one other place in the United States where cancer patients can go for proton treatment.
'Unwanted' man dies after fall in north Minneapolis
A man was arrested in connection with the death, but has since been released pending further investigation.