the answer has to be changing our culture that emboldens and enables men to attack women and girls or harass us in the street. a woman is killed every three days by a man in the uk. campaigners say it shouldn't be up to women to download an app to make themselves feel safe. graham satchell, bbc news. here in britain, there's growing concern about the spiralling cost of energy, with industrial leaders saying huge increases in the price of gas could threaten their future. several conservative party mps are calling for urgent action from the government. our business correspondent katie prescott reports. our biggest customer is ocado... cooking on gas. these gas pans are simmering 2a hours a day, seven days a week. there's little this business can do to cut its energy usage. bills recently have been painful. energy prices going up is not what we need. my overheads are already extremely high as it