Delaware State Police issued a gold alert this morning for Joshua Smith, 19, of Middletown. See a photo of Smith with this story.

Delaware State Police issued a gold alert this morning for Joshua Smith, 19, of Middletown.

Smith was last heard from Wednesday.

Attempts by family and law enforcement to locate or make contact with him have been unsuccessful and there is a true concern for his safety and welfare, police said.

Smith is a white male, 6-feet-2-inches tall and 290 pounds. No description was available about the clothes he was last seen wearing.

Police are asking anyone with information about Smith's location to call Troop 9 at (302) 378-5749 or to call 911.

Information may also be provided by calling Delaware Crime Stoppers at 1-800-TIP-3333 or on the internet at http://www.delaware.crimestoppersweb.com.