State Route 87 (Beeline Highway) is closed between Gilbert Road and State Route 188 due to a police situation in the area, according to ADOT (Arizona Department of Transportation). Use US-60/SR-88/SR-188 as an alternate.
Go to http://az511.gov/adot/files/ for the latest road restrictions.
[Update: 11:39 AM MST] : All lanes are now open on SR 87 in both directions between Phoenix and Payson.