US: Police continue response to shooting near William Wiley Elementary in Richland, Wash., April 22 /update 1

Police continue to respond to a shooting that took place near William Wiley Elementary in Richland, Washington State, April 22. Authorities have indicated the perpetrator reportedly shot and killed at least one person. The suspect remains at large. As a result, all nearby schools and the suspect's home on South Highlands Boulevard are on critical lockdown. The motive behind the incident is unclear.

Authorities will likely maintain a heightened security presence in the area over the coming hours. Associated transport and business disruptions are probable.