The Philippine government launched a comic book Friday asserting its claims in the disputed South China Sea, amid rising tensions with Beijing over the strategic waterway. National Security Adviser Eduardo Ano said "The Stories of Teacher Jun,

US Secretary of State Marco Rubio reaffirmed Washington's commitment to Manila and condemned Beijing for its "dangerous and destabilising" actions in the Sea, in his first phone call with Philippine Foreign Secretary Enrique Manalo.

Experts however, warn that Manila’s strategy of having several warships patrolling at once could strain resources and leave the navy vulnerable to targeted attacks.