'I didn't do it, I didn't threaten anybody. No push, no pressure, nothing,' US president tells reporters a day after Democrats announce the launch of proceedings against him

In phone call central to impeachment inquiry, US president asked Volodymyr Zelensky 'to do us a favor,' said 'there's a lot of talk about Biden's son'

Pelosi and rookie Congress members with national security backgrounds get behind formal impeachment proceedings despite risk to some closely fought districts

Iranian president to speak as world leaders push for thaw in nuclear standoff; Ukraine's president also to address group as Trump impeachment scandal swirls

Rouhani meets with world leaders and media figures as diplomatic blitz takes place to address rising tensions

European leaders urge US and Iran not to miss rare opportunity for meeting between leaders; Rouhani tells Fox News US must 'create trust' if it wants talks

Hundreds of artists expected to compete for prize of 6,000 euros in event meant to mock US president

Imran Kahn says Saudi Arabia also requested he intercede with Rouhani in a bid to defuse tensions

2020 candidates also likely to give cautious support to proceedings; US president says he will release 'unredacted' transcript of controversial call with Ukraine leader

2020 candidates also likely to give cautious support to proceedings; president says he will release 'unredacted' transcript of controversial call with Ukraine leader