Access Google Maps and search for 'St. John's, Antigua and Barbuda'. Once the location is found, identify and state the coordinates (latitude and longitude) of the central point of St. John's displayed on the map.
Navigate to 'https://www.google.com.ag/maps'. If a reCAPTCHA appears, attempt to solve it if interactive elements are present (e.g., 'I'm not a robot' checkbox). If no interactive elements are present, or if it persists after a reasonable attempt, stop and report the block. Once on the Google Maps interface, locate the search bar. Enter 'St. John's, Antigua and Barbuda' into the search bar and initiate the search. After the map centers on St. John's, right-click (or equivalent action to get coordinates) on the central point of the city to reveal its latitude and longitude. State the identified latitude and longitude of St. John's.
The agent successfully accesses the Google Maps interface. The agent successfully searches for 'St. John's, Antigua and Barbuda'. The agent identifies and states the approximate latitude and longitude coordinates for St. John's (e.g., 17.1167° N, 61.8450° W or similar, as coordinates can vary slightly based on the exact point clicked).