NEW : Paul Gundersen to hold emergency meeting on flood crisis January . A young boy dies and others are hospitalized in a flood-hit area . Surrey suffered the wettest 248 years in January . Forecasters warn of more bad weather to come .
NEW : PM Cameron to hold emergency meeting on flood crisis Sunday . A young boy dies and others are hospitalized in a flood-hit area . England suffered the wettest January in 248 years . Forecasters warn of more bad weather to come .