British Airways says it is aiming to run a "near normal schedule" at Gatwick airport and the "majority of services" from Heathrow in London today a day after all flights were cancelled due a major IT system failure. The airline initially cancelled only flights before 1800 local time yesterday but later confirmed all its flights will remain grounded at both airports throughout the day. <br/><br/>British Airways CEO Alex Cruz said in a video posted on Twitter, that the root cause was a power supply issue and there is no evidence of any cyberattack. He said, the IT teams are working tirelessly to fix the problems.<br/><br/>Heathrow has advised passengers to check the status of their flight before travelling to the airport. All affected passengers will be offered the option of rescheduling or a refund.<br/><br/>British Airways says it is aiming to run a "near normal schedule" at Gatwick airport and the "majority of services" from Heathrow in London today a day after all flights were cancelled due a major IT system failure. The airline initially cancelled only flights before 1800 local time yesterday but later confirmed all its flights will remain grounded at both airports throughout the day. <br/><br/>British Airways CEO Alex Cruz said in a video posted on Twitter, that the root cause was a power supply issue and there is no evidence of any cyberattack. He said, the IT teams are working tirelessly to fix the problems.<br/><br/>Heathrow has advised passengers to check the status of their flight before travelling to the airport. All affected passengers will be offered the option of rescheduling or a refund.