On the home front, he promised to toughen security measures on his return.
Tunisia's tourism minister called Friday's attack a "catastrophe" and authorities vowed to toughen security.
He said Russians must mobilise against terrorism and promised wide-ranging reforms to toughen security forces and purge corruption.
As they expressed their dismay, Google executives sought to assuage employees, especially immigrants, given the incoming president's pledge before Election Day to toughen security at the border.
Since the Sept. 11 attacks, airlines and airports have taken extraordinary measures to toughen security, including the latest proposal -- giving firearms to pilots.
Piñera took office in March, promising to bring peace to Araucanía – Chile's poorest region – with an eight-year plan to promote the local economy and toughen security measures.
That money will go to fight bioterrorism, protect the food supply and toughen security along the nation's ports and borders.
In the North-American case, Shapiro (2012) alludes to the fact that globalization, while brought greater economic development, also increased the possibility of the United States security being affected in more countries and regions, forcing the country to increase partnerships and to toughen security relations and policies.
Instead of applying the same security standards to all of the agents, which researchers have complained about for years, the report recommends a stratified system that would toughen security for the most hazardous agents and ease rules for more benign ones.
The head of the California department that regulates radioactive materials said Friday the agency would seek to toughen security requirements and criminal penalties on the companies it is supposed to police.
Britain and Australia have warned of possible attacks on their interests in Turkey, and Argentina toughened security this week in response to intelligence reports of plots against British, Spanish and U.S. interests.
