The acknowledgment that the writer was killed in the kingdom's Istanbul consulate marks a dramatic reversal from previous vehement denials.
About 7,000 people have set out for Tapachula in the state of Chiapas, Mexican authorities said.
Zoo staff were alerted by "an unusual amount of roaring" coming from the lion pen and found Zuri in a fight with Nyack, the zoo said in a statement.
"There would be no winners from a global trade war...all countries would ultimately be worse off," noted one economist.
Tafahree Maynard, 18, remained at large early Monday and should be considered armed and dangerous, police said.