Following a minor blast near Delhi’s central business district, several media outlets questioned the city’s preparedness against terror threats. The Home Ministry stated that the incident appeared “localised and non-terrorist,” possibly triggered by small improvised devices. However, counter-terror analysts argue that such low-intensity explosions are often used to test police response time and crowd panic levels. They emphasize that ignoring such events can encourage extremist groups to attempt larger coordinated strikes later. Which of the following, if true, most strongly strengthens the analysts claim that the blast was a precursor to a larger planned attack?