Barack Obama is "troubled" by cyberattacks on internet giant Google and wants answers from China, the White House has said.
Google may have to pull out of China following the cyberattacks
News of the president's concerns comes after US and Chinese diplomats held a series of meetings to discuss the attacks.
Google has said the attacks targeted the email accounts of Chinese human rights activists, and more talks were expected.
Obama is looking to Beijing to shed some light on the accusations which have prompted Google to say it will stop censoring Web search results in China.
Obama: Wants answers
"As the president has said, he continues to be troubled by the cybersecurity breach that Google attributes to China," White House deputy spokesman Bill Burton said.
"As Secretary (Hillary) Clinton said yesterday, all we are looking for from China are some answers."
Clinton on Thursday urged Beijing to conduct a thorough investigation into the cyberattacks on Google and other US firms.
He criticized China and other nations for censoring the Web and restricting the "free flow of information.