Complex sentence: Recently Fiji has made it clear that they do not recognize any maritime water claims by Tonga to the Minerva Reefs under the UNCLOS agreements, and in 2010 the Fijian Navy destroyed navigation lights at the entrance to the lagoon.
Split into simpler sentences: Recently Fiji has made it clear that they do not recognize any maritime water claims by Tonga to the Minerva Reefs under the UNCLOS agreements. In 2010 the Fijian Navy destroyed navigation lights at the entrance to the lagoon.