Should he return money that he took from his friend which came from selling gambling accounts?

Ruling on prize draws in shopping centres

Is Ludo Prohibited in Islam?

This kind of play (arcade) is haraam because it comes under the heading of gambling

Collecting donations to build a mosque and giving one of the donors an all expenses paid ‘Umrah trip

Ruling on playing pool billiards and the loser paying for the table rental

Ruling on sponsoring Islamic activities for children with lottery money

He found a winning lottery ticket; is it permissible for him to cash it in?

Taking a card and giving money to its owner and five other people, in a pyramid scheme

Ruling on prizes offered by stores if they are given after playing a golf-like game