Hi all... need help identifying this plant that sprung up in my brassica bed. It has shot up in between my buk choy and is thriving. Wasn't sure whether it was a weed or not, so I let it grow a little so it may become more identifiable.
Unfortunately I still haven't seen anything else in the garden like it. However some pretty yellow flowers have bloomed on it. Ideas on whether I should keep it or weed it?
(apologies for the slight out-of-focus 1st pic)