National Security Council 'to evaluate' law's implications, U.S. engagement with country
Law calls for death penalty for 'aggravated homosexuality'
Ugandan lawmakers on Tuesday approved revised Anti-Homosexuality Bill
Measure still contains death penalty provision
April 25 letter cites need to assess Anti-Homosexuality Act impacts
Kakuma and Dadaab refugee camps are located in the country
Bill contains death penalty provision for 'aggravated homosexuality'
'Aggravated homosexuality' would be punishable by death
MPs last month passed Anti-Homosexuality Act
Some lawmakers argue motion threatens freedom of expression