Suu Kyi's response to the international criticism being leveled against her saw her denounce the "false news." This is actually just a chaser for the obstruction of the Human Rights Council Fact-Finding Mission, which would like to investigate for crimes against humanity, and a systematic denial of emergency relief.
There are more than 1 million Rohingya in Myanmar, but the government recognizes them neither as Burmese nor as a community of their own, maintaining instead that they're a scattering of illegal, opportunistic immigrants from Bangladesh.
Since even the largest aid organizations are overwhelmed and still figuring out how to organize, this is one of those crises about which everyone says they must do something but can't yet provide an actionable description of what exactly that something is. Nations including Japan, Turkey, Iran, Indonesia, Morocco, India, Malaysia, Thailand, and China have all extended offers of aid in some form, though lots of those have political agendas of their own.
The most popular petition remains the one to take away Suu Kyi's Nobel Peace Prize.