LONDON (Reuters) -Britain is confident it can defeat any legal challenges and deport asylum seekers to Rwanda following a last minute intervention by European judges that grounded the first flight minutes before it was due to depart late on Tuesday. The British government had been forced to fight a series of legal challenges in London courts and believed it was ready to deport a handful of migrants on a charter plane to the east African country, before the European Court of Human Rights (ECHR) granted an injunction. Charities, political opponents and religious leaders have accused the governme…