China is "providing assistance" to Russia in its war against Ukraine but is wary of "the reputational costs associated" with aiding Moscow, US Director of National Intelligence Avril Haines says during a hearing at the US Capitol in Washington. "Putin is likely better understanding the limits of what his military is capable of achieving, and appears to be focused on more modest military objectives for now," Haines tells the US Senate Intelligence Committee as she testifies alongside the heads of the FBI, CIA, NSA and DIA.