China’s President Xi Jinping has been extending the country’s reach across the South China Sea, increasing defence spending from $143bn in 2010 to $261bn in 2019, according to data from Stockholm International Institute of Peace Research.

In a TV news programme, Al Jazeera’s Alex Gatopoulos takes a closer look at China’s naval ambitions and we talk to Collin Koh, a Research Fellow at the Institute for Defence and Strategic Studies at the S. Rajaratnam School of International Studies, about Beijing’s claim to the South China Sea.