By Brendan O'Brien
MILWAUKEE (Reuters) - An explosion at a foundry in Wisconsin caused multiple injuries on Monday, rescue personnel and local media said.
The incident at Johnson Brass and Machine Foundry in Saukville happened at about 4 p.m. Central Daylight Time (5.00 p.m. ET), a dispatcher with the Ozaukee County Sheriff's Department said.
The dispatcher did not know the extent of the injuries or the cause of the explosion. Several area fire departments responded, the dispatcher said.
Molten metal spilled on employees at the foundry, which is located 25 miles north of Milwaukee, a plant supervisor told WISN television, an ABC affiliate in Milwaukee.
WTMJ television, an NBC affiliate in Milwaukee, reported that seven people were injured.
(Reporting by Brendan O'Brien; Editing by David Bailey and Ken Wills)