Emission map of the Η ii region G331, at 1420 MHz. The black emission contour corresponds to 0.3 Jy beam⁻¹, and the red circle marks the area in which the search of VVV candidate sources was carried out. The red asterisk shows the position of WR star 1051-67L and the 17 black symbols indicate the location of the VVV candidates. The (x) represent Giant candidates while the (+) symbolise the MS ones.