It's not illegal. Ukraine previously "lost" $7 billion in US aide due to corruption. The Donald has a legal responsibility to ensure US aide isn't pissed away to corrupt oligarchs. A temporary hold on that money to assess the new Ukrainian president is justifiable. If GEOTUS felt the money would have been wasted, he would then notify Congress.
It's not illegal. Ukraine previously "lost" $7 billion in US aide due to corruption. The Donald has a legal responsibility to ensure US aide isn't pissed away to corrupt oligarchs. A temporary hold on that money to assess the new Ukrainian president is justifiable. If GEOTUS felt the money would have been wasted, he would then notify Congress.