US army personnel stand on top of their Interim armored carrier strykers as they prepare to leave after participating in the live fire exercises, as part of the annual US-Philippines joint military exercise at Crow Valley, in Capas town, Tarlac province, north of Manila on April 10, 2019. (TED ALJIBE / AFP)

MANILA - The Philippines has suspended its decision to scrap a two-decade-old Visiting Forces Agreement (VFA) with the United States for a second time as the allies work on a long-term mutual defence arrangement, Manila's foreign ministry said on Wednesday.

Duterte had notified Washington in February that he was cancelling the deal amid outrage over a senator and ally being denied a US visa 

The new deadline will reach the early days of the next US president's term. Philippine President Rodrigo Duterte ordered the extra six months "To enable us to find a more enhanced, mutually beneficial, mutually agreeable, and more effective and lasting arrangement on how to move forward in our mutual defense," Foreign Affairs Secretary Teodoro Locsin said in a statement. 

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The Philippines is a treaty ally of the United States with several military agreements dependent on the VFA, which provides the legal framework for which Washington's troops can operate on a rotational basis in the Southeast Asian nation. 

Duterte had notified Washington in February that he was cancelling the deal amid outrage over a senator and ally being denied a US visa. 

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The initial six-month suspension of the Philippines' abrogation of the VFA would expire in December. Since taking the presidency in 2016, Duterte has fostered warmer ties with Beijing, while setting aside traditional partners like the United States and Europe. 

The US embassy in Manila did not immediately respond to a request for comment.