Parts of London's Leicester Square are on lockdown as a hostage situation is reportedly unfolding in a restaurant, according to several reports on Twitter.
Police appear to have cordoned off the streets outside Bella Italia restaurant, where the situation isreportedly taking place.
According to the BBC, a man who claims to have a knife is holding a woman hostage inside the restaurant. Two other people are reportedly inside.
London police have confirmed that the situation is not terror-related.