Local authorities have  killed one of the three suspects (photo:inforum.com)

(VOVworld) – At least 14 people were killed and 20 others were injured in a mass shooting in the Inland Regional Center, a facility for persons with developmental disabilities in San Bernardino, California on Wednesday.

A witness said three gunners came and attacked the center. Local authorities have blockaded the area and killed one of the three suspects.US President Barack Obama asked Democratic and Republic legislators to seek ways to resolved continuous shootings in the US.