Where the Republican candidates stand on Donald Trump

The field of Republican candidates has winnowed significantly since the beginning of the campaign, going from eight hopefuls appearing on the stage during the first primary debate to just four in the fourth showdown.

The frontrunner by a wide margin is former President Donald Trump, who has declined to appear at any of the debates so far, but his reticence to argue his case hasn’t had any impact on his strong primary poll numbers.

The four top remaining challengers have all used different tactics to take on Mr Trump.

Biotech entrepreneur and anti-woke author Vivek Ramaswamy has been mimicking him while at times struggling to explain why he’s running against a man he has called “the best president of the 21st century”.

Former New Jersey Governor has been creative in finding different ways to call Mr Trump a wildly incompetent and dangerous criminal.