The OFT said they are concerned that children and parents are subject to "unfair pressure" to purchase, when playing on web or app based games, which can lead to "substantial costs".
The OFT is not seeking to ban in-game purchases, but the games industry must ensure it is complying with the relevant regulations so that children are protected. We are speaking to the industry and will take enforcement action if necessary.
More top news
The airline apologised as holidaymakers face disruption following an IT outage on Saturday morning.
The Hollywood couple, who have been married for 17 years, said they still have "tremendous love and respect for each other".
Jared Kushner discussed the possibility of setting up a secret line of communication with Russia, according to US media.