WILKINSBURG - Four women and one man were  shot,  killed and several injured on Wednesday in a residential neighborhood in Wilkinsburg, about 8 miles (13 km) east of the city, news station WPXI said, adding that the suspects were at large. 

Other regional media said seven or eight people were shot and Police were not immediately available for comments. 

Several reporters in the area Tweeted photographs of ambulancesand police cars. 

Dozens of shell casings littered the pavement of an alleyway at the scene, media reports 

said.

Wilkinsburg is a borough of about 16,000 people. The population are mostly people with lower and middle income residents, demographic data showed.