Texas Gov. Greg Abbott has directed the Texas Rangers to investigate two controversial lottery jackpots amid growing scrutiny over the role of online ticketing firms in the state.

Courier services take orders online or through an app, purchase lottery tickets from a retailer and send a scanned copy to the buyer.

Texas Governor Greg Abbott has called for a Texas Rangers investigation into unusual lottery ticket purchases and a multimillion-dollar prize claim to ensure integrity and legality in the state's lottery system.