Several people were wounded Wednesday in a series of attacks by terrorist gunmen at seven sites in Mumbai, including two luxury hotels, police said. A.N. Roy, a senior police officer said police were battling the gunmen. "The terrorists have used automatic weapons and in some places grenades have been lobbed, the encounters are still going on and we are trying to overpower them," Roy said. The gunmen attacked two luxury hotels, the Chhatrapati Shivaji Terminus station in southern Mumbai and Leopold's restaurant, a Mumbai landmark.